Home / 970,494.08-1,339,268.28-540,792.32

Finding the Fourth Proportional to 970,494.08, 1,339,268.28 and 540,792.32

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Solution

The fourth proportional to 970,494.08, 1,339,268.28 and 540,792.32 is: 746,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,494.08 : 1,339,268.28 = 540,792.32 : x
  2. Step 2: Convert to fraction form
    970,494.08/1,339,268.28 = 540,792.32/x
  3. Step 3: Cross multiply
    970,494.08x = 1,339,268.28 × 540,792.32
  4. Step 4: Simplify right side
    970,494.08x = 724,266,000,243.61
  5. Step 5: Solve for x
    x = 724,266,000,243.61/970,494.08
  6. Step 6: Final answer
    x = 746,285.85

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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.