Home / 896,254.88-1,344,581.68-390,897.60

Finding the Fourth Proportional to 896,254.88, 1,344,581.68 and 390,897.60

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Solution

The fourth proportional to 896,254.88, 1,344,581.68 and 390,897.60 is: 586,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,254.88 : 1,344,581.68 = 390,897.60 : x
  2. Step 2: Convert to fraction form
    896,254.88/1,344,581.68 = 390,897.60/x
  3. Step 3: Cross multiply
    896,254.88x = 1,344,581.68 × 390,897.60
  4. Step 4: Simplify right side
    896,254.88x = 525,593,751,715.97
  5. Step 5: Solve for x
    x = 525,593,751,715.97/896,254.88
  6. Step 6: Final answer
    x = 586,433.35

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Double scale
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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.