Home / 582,078.20-873,117.30-542,712.20

Finding the Fourth Proportional to 582,078.20, 873,117.30 and 542,712.20

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Solution

The fourth proportional to 582,078.20, 873,117.30 and 542,712.20 is: 814,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,078.20 : 873,117.30 = 542,712.20 : x
  2. Step 2: Convert to fraction form
    582,078.20/873,117.30 = 542,712.20/x
  3. Step 3: Cross multiply
    582,078.20x = 873,117.30 × 542,712.20
  4. Step 4: Simplify right side
    582,078.20x = 473,851,410,741.06
  5. Step 5: Solve for x
    x = 473,851,410,741.06/582,078.20
  6. Step 6: Final answer
    x = 814,068.30

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Half scale
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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.