Home / 579,101.60-868,652.40-558,106.40

Finding the Fourth Proportional to 579,101.60, 868,652.40 and 558,106.40

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Solution

The fourth proportional to 579,101.60, 868,652.40 and 558,106.40 is: 837,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,101.60 : 868,652.40 = 558,106.40 : x
  2. Step 2: Convert to fraction form
    579,101.60/868,652.40 = 558,106.40/x
  3. Step 3: Cross multiply
    579,101.60x = 868,652.40 × 558,106.40
  4. Step 4: Simplify right side
    579,101.60x = 484,800,463,815.36
  5. Step 5: Solve for x
    x = 484,800,463,815.36/579,101.60
  6. Step 6: Final answer
    x = 837,159.60

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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.