Home / 639,006.48-953,276.76-621,632.16

Finding the Fourth Proportional to 639,006.48, 953,276.76 and 621,632.16

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Solution

The fourth proportional to 639,006.48, 953,276.76 and 621,632.16 is: 927,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,006.48 : 953,276.76 = 621,632.16 : x
  2. Step 2: Convert to fraction form
    639,006.48/953,276.76 = 621,632.16/x
  3. Step 3: Cross multiply
    639,006.48x = 953,276.76 × 621,632.16
  4. Step 4: Simplify right side
    639,006.48x = 592,587,491,396.60
  5. Step 5: Solve for x
    x = 592,587,491,396.60/639,006.48
  6. Step 6: Final answer
    x = 927,357.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.