Home / 839,545.60-1,158,598.20-457,597.12

Finding the Fourth Proportional to 839,545.60, 1,158,598.20 and 457,597.12

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Solution

The fourth proportional to 839,545.60, 1,158,598.20 and 457,597.12 is: 631,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,545.60 : 1,158,598.20 = 457,597.12 : x
  2. Step 2: Convert to fraction form
    839,545.60/1,158,598.20 = 457,597.12/x
  3. Step 3: Cross multiply
    839,545.60x = 1,158,598.20 × 457,597.12
  4. Step 4: Simplify right side
    839,545.60x = 530,171,199,557.18
  5. Step 5: Solve for x
    x = 530,171,199,557.18/839,545.60
  6. Step 6: Final answer
    x = 631,497.80

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Double scale
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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.