Home / 878,167.98-1,212,002.60-534,059.93

Finding the Fourth Proportional to 878,167.98, 1,212,002.60 and 534,059.93

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Solution

The fourth proportional to 878,167.98, 1,212,002.60 and 534,059.93 is: 737,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,167.98 : 1,212,002.60 = 534,059.93 : x
  2. Step 2: Convert to fraction form
    878,167.98/1,212,002.60 = 534,059.93/x
  3. Step 3: Cross multiply
    878,167.98x = 1,212,002.60 × 534,059.93
  4. Step 4: Simplify right side
    878,167.98x = 647,282,024,075.53
  5. Step 5: Solve for x
    x = 647,282,024,075.53/878,167.98
  6. Step 6: Final answer
    x = 737,082.24

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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.