Home / 916,851.83-1,265,387.10-549,343.47

Finding the Fourth Proportional to 916,851.83, 1,265,387.10 and 549,343.47

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Solution

The fourth proportional to 916,851.83, 1,265,387.10 and 549,343.47 is: 758,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,851.83 : 1,265,387.10 = 549,343.47 : x
  2. Step 2: Convert to fraction form
    916,851.83/1,265,387.10 = 549,343.47/x
  3. Step 3: Cross multiply
    916,851.83x = 1,265,387.10 × 549,343.47
  4. Step 4: Simplify right side
    916,851.83x = 695,132,135,974.60
  5. Step 5: Solve for x
    x = 695,132,135,974.60/916,851.83
  6. Step 6: Final answer
    x = 758,172.82

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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.