Home / 839,874.77-1,158,977.23-477,248.30

Finding the Fourth Proportional to 839,874.77, 1,158,977.23 and 477,248.30

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Solution

The fourth proportional to 839,874.77, 1,158,977.23 and 477,248.30 is: 658,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,874.77 : 1,158,977.23 = 477,248.30 : x
  2. Step 2: Convert to fraction form
    839,874.77/1,158,977.23 = 477,248.30/x
  3. Step 3: Cross multiply
    839,874.77x = 1,158,977.23 × 477,248.30
  4. Step 4: Simplify right side
    839,874.77x = 553,119,910,114.37
  5. Step 5: Solve for x
    x = 553,119,910,114.37/839,874.77
  6. Step 6: Final answer
    x = 658,574.27

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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.