Home / 649,918.75-896,871.10-359,522.76

Finding the Fourth Proportional to 649,918.75, 896,871.10 and 359,522.76

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Solution

The fourth proportional to 649,918.75, 896,871.10 and 359,522.76 is: 496,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,918.75 : 896,871.10 = 359,522.76 : x
  2. Step 2: Convert to fraction form
    649,918.75/896,871.10 = 359,522.76/x
  3. Step 3: Cross multiply
    649,918.75x = 896,871.10 × 359,522.76
  4. Step 4: Simplify right side
    649,918.75x = 322,445,573,236.24
  5. Step 5: Solve for x
    x = 322,445,573,236.24/649,918.75
  6. Step 6: Final answer
    x = 496,132.13

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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.