Home / 547,787.34-756,157.14-490,325.13

Finding the Fourth Proportional to 547,787.34, 756,157.14 and 490,325.13

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Solution

The fourth proportional to 547,787.34, 756,157.14 and 490,325.13 is: 676,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,787.34 : 756,157.14 = 490,325.13 : x
  2. Step 2: Convert to fraction form
    547,787.34/756,157.14 = 490,325.13/x
  3. Step 3: Cross multiply
    547,787.34x = 756,157.14 × 490,325.13
  4. Step 4: Simplify right side
    547,787.34x = 370,762,847,970.93
  5. Step 5: Solve for x
    x = 370,762,847,970.93/547,787.34
  6. Step 6: Final answer
    x = 676,837.20

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Double scale
Find fourth proportional to 547,788.34, 756,158.52 and 490,326.13
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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.