Home / 971,808.36-1,341,097.70-542,116.32

Finding the Fourth Proportional to 971,808.36, 1,341,097.70 and 542,116.32

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Solution

The fourth proportional to 971,808.36, 1,341,097.70 and 542,116.32 is: 748,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,808.36 : 1,341,097.70 = 542,116.32 : x
  2. Step 2: Convert to fraction form
    971,808.36/1,341,097.70 = 542,116.32/x
  3. Step 3: Cross multiply
    971,808.36x = 1,341,097.70 × 542,116.32
  4. Step 4: Simplify right side
    971,808.36x = 727,030,949,884.46
  5. Step 5: Solve for x
    x = 727,030,949,884.46/971,808.36
  6. Step 6: Final answer
    x = 748,121.73

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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.