Home / 1,039,772.20-1,559,658.30-291,818.20

Finding the Fourth Proportional to 1,039,772.20, 1,559,658.30 and 291,818.20

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Solution

The fourth proportional to 1,039,772.20, 1,559,658.30 and 291,818.20 is: 437,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,772.20 : 1,559,658.30 = 291,818.20 : x
  2. Step 2: Convert to fraction form
    1,039,772.20/1,559,658.30 = 291,818.20/x
  3. Step 3: Cross multiply
    1,039,772.20x = 1,559,658.30 × 291,818.20
  4. Step 4: Simplify right side
    1,039,772.20x = 455,136,677,721.06
  5. Step 5: Solve for x
    x = 455,136,677,721.06/1,039,772.20
  6. Step 6: Final answer
    x = 437,727.30

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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.