Home / 672,353.04-927,984.88-400,580.14

Finding the Fourth Proportional to 672,353.04, 927,984.88 and 400,580.14

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Solution

The fourth proportional to 672,353.04, 927,984.88 and 400,580.14 is: 552,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,353.04 : 927,984.88 = 400,580.14 : x
  2. Step 2: Convert to fraction form
    672,353.04/927,984.88 = 400,580.14/x
  3. Step 3: Cross multiply
    672,353.04x = 927,984.88 × 400,580.14
  4. Step 4: Simplify right side
    672,353.04x = 371,732,313,148.28
  5. Step 5: Solve for x
    x = 371,732,313,148.28/672,353.04
  6. Step 6: Final answer
    x = 552,882.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.