Home / 747,533.18-1,031,566.92-408,001.44

Finding the Fourth Proportional to 747,533.18, 1,031,566.92 and 408,001.44

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Solution

The fourth proportional to 747,533.18, 1,031,566.92 and 408,001.44 is: 563,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,533.18 : 1,031,566.92 = 408,001.44 : x
  2. Step 2: Convert to fraction form
    747,533.18/1,031,566.92 = 408,001.44/x
  3. Step 3: Cross multiply
    747,533.18x = 1,031,566.92 × 408,001.44
  4. Step 4: Simplify right side
    747,533.18x = 420,880,788,816.37
  5. Step 5: Solve for x
    x = 420,880,788,816.37/747,533.18
  6. Step 6: Final answer
    x = 563,026.23

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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.