Home / 558,411.10-837,616.65-345,834.70

Finding the Fourth Proportional to 558,411.10, 837,616.65 and 345,834.70

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Solution

The fourth proportional to 558,411.10, 837,616.65 and 345,834.70 is: 518,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,411.10 : 837,616.65 = 345,834.70 : x
  2. Step 2: Convert to fraction form
    558,411.10/837,616.65 = 345,834.70/x
  3. Step 3: Cross multiply
    558,411.10x = 837,616.65 × 345,834.70
  4. Step 4: Simplify right side
    558,411.10x = 289,676,902,867.76
  5. Step 5: Solve for x
    x = 289,676,902,867.76/558,411.10
  6. Step 6: Final answer
    x = 518,752.05

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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.