Home / 944,143.54-1,302,901.68-514,427.20

Finding the Fourth Proportional to 944,143.54, 1,302,901.68 and 514,427.20

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Solution

The fourth proportional to 944,143.54, 1,302,901.68 and 514,427.20 is: 709,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,143.54 : 1,302,901.68 = 514,427.20 : x
  2. Step 2: Convert to fraction form
    944,143.54/1,302,901.68 = 514,427.20/x
  3. Step 3: Cross multiply
    944,143.54x = 1,302,901.68 × 514,427.20
  4. Step 4: Simplify right side
    944,143.54x = 670,248,063,117.70
  5. Step 5: Solve for x
    x = 670,248,063,117.70/944,143.54
  6. Step 6: Final answer
    x = 709,900.60

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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.