Home / 507,397.20-760,564.44-170,355.12

Finding the Fourth Proportional to 507,397.20, 760,564.44 and 170,355.12

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Solution

The fourth proportional to 507,397.20, 760,564.44 and 170,355.12 is: 255,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,397.20 : 760,564.44 = 170,355.12 : x
  2. Step 2: Convert to fraction form
    507,397.20/760,564.44 = 170,355.12/x
  3. Step 3: Cross multiply
    507,397.20x = 760,564.44 × 170,355.12
  4. Step 4: Simplify right side
    507,397.20x = 129,566,046,443.93
  5. Step 5: Solve for x
    x = 129,566,046,443.93/507,397.20
  6. Step 6: Final answer
    x = 255,354.28

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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.