Home / 1,071,423.74-1,607,083.52-397,636.28

Finding the Fourth Proportional to 1,071,423.74, 1,607,083.52 and 397,636.28

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Solution

The fourth proportional to 1,071,423.74, 1,607,083.52 and 397,636.28 is: 596,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,423.74 : 1,607,083.52 = 397,636.28 : x
  2. Step 2: Convert to fraction form
    1,071,423.74/1,607,083.52 = 397,636.28/x
  3. Step 3: Cross multiply
    1,071,423.74x = 1,607,083.52 × 397,636.28
  4. Step 4: Simplify right side
    1,071,423.74x = 639,034,712,542.11
  5. Step 5: Solve for x
    x = 639,034,712,542.11/1,071,423.74
  6. Step 6: Final answer
    x = 596,435.09

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Double scale
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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.