Home / 838,779.56-1,157,564.22-631,677.14

Finding the Fourth Proportional to 838,779.56, 1,157,564.22 and 631,677.14

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Solution

The fourth proportional to 838,779.56, 1,157,564.22 and 631,677.14 is: 871,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,779.56 : 1,157,564.22 = 631,677.14 : x
  2. Step 2: Convert to fraction form
    838,779.56/1,157,564.22 = 631,677.14/x
  3. Step 3: Cross multiply
    838,779.56x = 1,157,564.22 × 631,677.14
  4. Step 4: Simplify right side
    838,779.56x = 731,206,855,855.93
  5. Step 5: Solve for x
    x = 731,206,855,855.93/838,779.56
  6. Step 6: Final answer
    x = 871,750.92

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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.