Home / 623,930.10-935,895.15-545,198.10

Finding the Fourth Proportional to 623,930.10, 935,895.15 and 545,198.10

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Solution

The fourth proportional to 623,930.10, 935,895.15 and 545,198.10 is: 817,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,930.10 : 935,895.15 = 545,198.10 : x
  2. Step 2: Convert to fraction form
    623,930.10/935,895.15 = 545,198.10/x
  3. Step 3: Cross multiply
    623,930.10x = 935,895.15 × 545,198.10
  4. Step 4: Simplify right side
    623,930.10x = 510,248,257,579.22
  5. Step 5: Solve for x
    x = 510,248,257,579.22/623,930.10
  6. Step 6: Final answer
    x = 817,797.15

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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.