Home / 826,862.46-1,138,430.69-705,516.77

Finding the Fourth Proportional to 826,862.46, 1,138,430.69 and 705,516.77

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Solution

The fourth proportional to 826,862.46, 1,138,430.69 and 705,516.77 is: 971,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,862.46 : 1,138,430.69 = 705,516.77 : x
  2. Step 2: Convert to fraction form
    826,862.46/1,138,430.69 = 705,516.77/x
  3. Step 3: Cross multiply
    826,862.46x = 1,138,430.69 × 705,516.77
  4. Step 4: Simplify right side
    826,862.46x = 803,181,934,057.93
  5. Step 5: Solve for x
    x = 803,181,934,057.93/826,862.46
  6. Step 6: Final answer
    x = 971,360.99

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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.