Home / 767,607.40-1,151,411.10-235,124.20

Finding the Fourth Proportional to 767,607.40, 1,151,411.10 and 235,124.20

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Solution

The fourth proportional to 767,607.40, 1,151,411.10 and 235,124.20 is: 352,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,607.40 : 1,151,411.10 = 235,124.20 : x
  2. Step 2: Convert to fraction form
    767,607.40/1,151,411.10 = 235,124.20/x
  3. Step 3: Cross multiply
    767,607.40x = 1,151,411.10 × 235,124.20
  4. Step 4: Simplify right side
    767,607.40x = 270,724,613,758.62
  5. Step 5: Solve for x
    x = 270,724,613,758.62/767,607.40
  6. Step 6: Final answer
    x = 352,686.30

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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.