Home / 938,539.88-1,296,254.24-636,209.00

Finding the Fourth Proportional to 938,539.88, 1,296,254.24 and 636,209.00

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Solution

The fourth proportional to 938,539.88, 1,296,254.24 and 636,209.00 is: 878,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,539.88 : 1,296,254.24 = 636,209.00 : x
  2. Step 2: Convert to fraction form
    938,539.88/1,296,254.24 = 636,209.00/x
  3. Step 3: Cross multiply
    938,539.88x = 1,296,254.24 × 636,209.00
  4. Step 4: Simplify right side
    938,539.88x = 824,688,604,113.84
  5. Step 5: Solve for x
    x = 824,688,604,113.84/938,539.88
  6. Step 6: Final answer
    x = 878,693.20

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Double scale
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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.