Home / 975,111.40-1,341,827.94-862,203.88

Finding the Fourth Proportional to 975,111.40, 1,341,827.94 and 862,203.88

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Solution

The fourth proportional to 975,111.40, 1,341,827.94 and 862,203.88 is: 1,186,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,111.40 : 1,341,827.94 = 862,203.88 : x
  2. Step 2: Convert to fraction form
    975,111.40/1,341,827.94 = 862,203.88/x
  3. Step 3: Cross multiply
    975,111.40x = 1,341,827.94 × 862,203.88
  4. Step 4: Simplify right side
    975,111.40x = 1,156,929,256,160.41
  5. Step 5: Solve for x
    x = 1,156,929,256,160.41/975,111.40
  6. Step 6: Final answer
    x = 1,186,458.55

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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.