Home / 974,085.08-1,344,120.98-538,443.59

Finding the Fourth Proportional to 974,085.08, 1,344,120.98 and 538,443.59

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Solution

The fourth proportional to 974,085.08, 1,344,120.98 and 538,443.59 is: 742,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,085.08 : 1,344,120.98 = 538,443.59 : x
  2. Step 2: Convert to fraction form
    974,085.08/1,344,120.98 = 538,443.59/x
  3. Step 3: Cross multiply
    974,085.08x = 1,344,120.98 × 538,443.59
  4. Step 4: Simplify right side
    974,085.08x = 723,733,316,452.70
  5. Step 5: Solve for x
    x = 723,733,316,452.70/974,085.08
  6. Step 6: Final answer
    x = 742,987.79

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Double scale
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Similar ratio
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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.