Home / 583,815.60-875,723.40-318,095.10

Finding the Fourth Proportional to 583,815.60, 875,723.40 and 318,095.10

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Solution

The fourth proportional to 583,815.60, 875,723.40 and 318,095.10 is: 477,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,815.60 : 875,723.40 = 318,095.10 : x
  2. Step 2: Convert to fraction form
    583,815.60/875,723.40 = 318,095.10/x
  3. Step 3: Cross multiply
    583,815.60x = 875,723.40 × 318,095.10
  4. Step 4: Simplify right side
    583,815.60x = 278,563,322,495.34
  5. Step 5: Solve for x
    x = 278,563,322,495.34/583,815.60
  6. Step 6: Final answer
    x = 477,142.65

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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.