Home / 970,085.28-1,338,665.76-534,489.12

Finding the Fourth Proportional to 970,085.28, 1,338,665.76 and 534,489.12

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Solution

The fourth proportional to 970,085.28, 1,338,665.76 and 534,489.12 is: 737,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,085.28 : 1,338,665.76 = 534,489.12 : x
  2. Step 2: Convert to fraction form
    970,085.28/1,338,665.76 = 534,489.12/x
  3. Step 3: Cross multiply
    970,085.28x = 1,338,665.76 × 534,489.12
  4. Step 4: Simplify right side
    970,085.28x = 715,502,284,036.53
  5. Step 5: Solve for x
    x = 715,502,284,036.53/970,085.28
  6. Step 6: Final answer
    x = 737,566.38

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Double scale
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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.