Home / 712,897.41-1,069,346.12-239,582.76

Finding the Fourth Proportional to 712,897.41, 1,069,346.12 and 239,582.76

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Solution

The fourth proportional to 712,897.41, 1,069,346.12 and 239,582.76 is: 359,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,897.41 : 1,069,346.12 = 239,582.76 : x
  2. Step 2: Convert to fraction form
    712,897.41/1,069,346.12 = 239,582.76/x
  3. Step 3: Cross multiply
    712,897.41x = 1,069,346.12 × 239,582.76
  4. Step 4: Simplify right side
    712,897.41x = 256,196,893,626.98
  5. Step 5: Solve for x
    x = 256,196,893,626.98/712,897.41
  6. Step 6: Final answer
    x = 359,374.14

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.