Home / 940,112.60-1,296,070.02-645,753.33

Finding the Fourth Proportional to 940,112.60, 1,296,070.02 and 645,753.33

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Solution

The fourth proportional to 940,112.60, 1,296,070.02 and 645,753.33 is: 890,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,112.60 : 1,296,070.02 = 645,753.33 : x
  2. Step 2: Convert to fraction form
    940,112.60/1,296,070.02 = 645,753.33/x
  3. Step 3: Cross multiply
    940,112.60x = 1,296,070.02 × 645,753.33
  4. Step 4: Simplify right side
    940,112.60x = 836,941,531,328.17
  5. Step 5: Solve for x
    x = 836,941,531,328.17/940,112.60
  6. Step 6: Final answer
    x = 890,256.69

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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.