Home / 839,874.70-1,158,977.15-477,248.23

Finding the Fourth Proportional to 839,874.70, 1,158,977.15 and 477,248.23

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Solution

The fourth proportional to 839,874.70, 1,158,977.15 and 477,248.23 is: 658,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,874.70 : 1,158,977.15 = 477,248.23 : x
  2. Step 2: Convert to fraction form
    839,874.70/1,158,977.15 = 477,248.23/x
  3. Step 3: Cross multiply
    839,874.70x = 1,158,977.15 × 477,248.23
  4. Step 4: Simplify right side
    839,874.70x = 553,119,790,369.38
  5. Step 5: Solve for x
    x = 553,119,790,369.38/839,874.70
  6. Step 6: Final answer
    x = 658,574.18

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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.