Home / 834,078.70-1,151,030.56-452,103.76

Finding the Fourth Proportional to 834,078.70, 1,151,030.56 and 452,103.76

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Solution

The fourth proportional to 834,078.70, 1,151,030.56 and 452,103.76 is: 623,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,078.70 : 1,151,030.56 = 452,103.76 : x
  2. Step 2: Convert to fraction form
    834,078.70/1,151,030.56 = 452,103.76/x
  3. Step 3: Cross multiply
    834,078.70x = 1,151,030.56 × 452,103.76
  4. Step 4: Simplify right side
    834,078.70x = 520,385,244,050.91
  5. Step 5: Solve for x
    x = 520,385,244,050.91/834,078.70
  6. Step 6: Final answer
    x = 623,904.25

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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.