Home / 875,516.32-1,208,196.36-493,543.42

Finding the Fourth Proportional to 875,516.32, 1,208,196.36 and 493,543.42

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Solution

The fourth proportional to 875,516.32, 1,208,196.36 and 493,543.42 is: 681,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,516.32 : 1,208,196.36 = 493,543.42 : x
  2. Step 2: Convert to fraction form
    875,516.32/1,208,196.36 = 493,543.42/x
  3. Step 3: Cross multiply
    875,516.32x = 1,208,196.36 × 493,543.42
  4. Step 4: Simplify right side
    875,516.32x = 596,297,363,545.95
  5. Step 5: Solve for x
    x = 596,297,363,545.95/875,516.32
  6. Step 6: Final answer
    x = 681,080.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.