Home / 871,364.12-1,202,576.18-527,389.34

Finding the Fourth Proportional to 871,364.12, 1,202,576.18 and 527,389.34

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Solution

The fourth proportional to 871,364.12, 1,202,576.18 and 527,389.34 is: 727,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,364.12 : 1,202,576.18 = 527,389.34 : x
  2. Step 2: Convert to fraction form
    871,364.12/1,202,576.18 = 527,389.34/x
  3. Step 3: Cross multiply
    871,364.12x = 1,202,576.18 × 527,389.34
  4. Step 4: Simplify right side
    871,364.12x = 634,225,857,869.92
  5. Step 5: Solve for x
    x = 634,225,857,869.92/871,364.12
  6. Step 6: Final answer
    x = 727,854.00

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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.