Home / 579,153.60-868,730.40-558,158.40

Finding the Fourth Proportional to 579,153.60, 868,730.40 and 558,158.40

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Solution

The fourth proportional to 579,153.60, 868,730.40 and 558,158.40 is: 837,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,153.60 : 868,730.40 = 558,158.40 : x
  2. Step 2: Convert to fraction form
    579,153.60/868,730.40 = 558,158.40/x
  3. Step 3: Cross multiply
    579,153.60x = 868,730.40 × 558,158.40
  4. Step 4: Simplify right side
    579,153.60x = 484,889,170,095.36
  5. Step 5: Solve for x
    x = 484,889,170,095.36/579,153.60
  6. Step 6: Final answer
    x = 837,237.60

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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.