Home / 617,973.40-926,960.10-243,947.80

Finding the Fourth Proportional to 617,973.40, 926,960.10 and 243,947.80

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Solution

The fourth proportional to 617,973.40, 926,960.10 and 243,947.80 is: 365,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,973.40 : 926,960.10 = 243,947.80 : x
  2. Step 2: Convert to fraction form
    617,973.40/926,960.10 = 243,947.80/x
  3. Step 3: Cross multiply
    617,973.40x = 926,960.10 × 243,947.80
  4. Step 4: Simplify right side
    617,973.40x = 226,129,877,082.78
  5. Step 5: Solve for x
    x = 226,129,877,082.78/617,973.40
  6. Step 6: Final answer
    x = 365,921.70

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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.