Home / 834,808.91-1,151,165.00-495,211.55

Finding the Fourth Proportional to 834,808.91, 1,151,165.00 and 495,211.55

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Solution

The fourth proportional to 834,808.91, 1,151,165.00 and 495,211.55 is: 682,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,808.91 : 1,151,165.00 = 495,211.55 : x
  2. Step 2: Convert to fraction form
    834,808.91/1,151,165.00 = 495,211.55/x
  3. Step 3: Cross multiply
    834,808.91x = 1,151,165.00 × 495,211.55
  4. Step 4: Simplify right side
    834,808.91x = 570,070,201,479.69
  5. Step 5: Solve for x
    x = 570,070,201,479.69/834,808.91
  6. Step 6: Final answer
    x = 682,875.08

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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.