Home / 1,071,607.77-1,607,411.55-323,653.77

Finding the Fourth Proportional to 1,071,607.77, 1,607,411.55 and 323,653.77

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Solution

The fourth proportional to 1,071,607.77, 1,607,411.55 and 323,653.77 is: 485,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,607.77 : 1,607,411.55 = 323,653.77 : x
  2. Step 2: Convert to fraction form
    1,071,607.77/1,607,411.55 = 323,653.77/x
  3. Step 3: Cross multiply
    1,071,607.77x = 1,607,411.55 × 323,653.77
  4. Step 4: Simplify right side
    1,071,607.77x = 520,244,808,099.04
  5. Step 5: Solve for x
    x = 520,244,808,099.04/1,071,607.77
  6. Step 6: Final answer
    x = 485,480.62

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.