Home / 822,557.88-1,234,443.18-390,277.13

Finding the Fourth Proportional to 822,557.88, 1,234,443.18 and 390,277.13

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Solution

The fourth proportional to 822,557.88, 1,234,443.18 and 390,277.13 is: 585,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,557.88 : 1,234,443.18 = 390,277.13 : x
  2. Step 2: Convert to fraction form
    822,557.88/1,234,443.18 = 390,277.13/x
  3. Step 3: Cross multiply
    822,557.88x = 1,234,443.18 × 390,277.13
  4. Step 4: Simplify right side
    822,557.88x = 481,774,941,438.47
  5. Step 5: Solve for x
    x = 481,774,941,438.47/822,557.88
  6. Step 6: Final answer
    x = 585,703.39

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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.