Home / 723,747.40-1,085,621.10-537,123.40

Finding the Fourth Proportional to 723,747.40, 1,085,621.10 and 537,123.40

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Solution

The fourth proportional to 723,747.40, 1,085,621.10 and 537,123.40 is: 805,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,747.40 : 1,085,621.10 = 537,123.40 : x
  2. Step 2: Convert to fraction form
    723,747.40/1,085,621.10 = 537,123.40/x
  3. Step 3: Cross multiply
    723,747.40x = 1,085,621.10 × 537,123.40
  4. Step 4: Simplify right side
    723,747.40x = 583,112,496,343.74
  5. Step 5: Solve for x
    x = 583,112,496,343.74/723,747.40
  6. Step 6: Final answer
    x = 805,685.10

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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.