Home / 649,300.18-896,123.26-373,652.38

Finding the Fourth Proportional to 649,300.18, 896,123.26 and 373,652.38

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Solution

The fourth proportional to 649,300.18, 896,123.26 and 373,652.38 is: 515,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,300.18 : 896,123.26 = 373,652.38 : x
  2. Step 2: Convert to fraction form
    649,300.18/896,123.26 = 373,652.38/x
  3. Step 3: Cross multiply
    649,300.18x = 896,123.26 × 373,652.38
  4. Step 4: Simplify right side
    649,300.18x = 334,838,588,872.36
  5. Step 5: Solve for x
    x = 334,838,588,872.36/649,300.18
  6. Step 6: Final answer
    x = 515,691.51

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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.