Home / 933,256.80-1,287,918.90-525,373.20

Finding the Fourth Proportional to 933,256.80, 1,287,918.90 and 525,373.20

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Solution

The fourth proportional to 933,256.80, 1,287,918.90 and 525,373.20 is: 725,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,256.80 : 1,287,918.90 = 525,373.20 : x
  2. Step 2: Convert to fraction form
    933,256.80/1,287,918.90 = 525,373.20/x
  3. Step 3: Cross multiply
    933,256.80x = 1,287,918.90 × 525,373.20
  4. Step 4: Simplify right side
    933,256.80x = 676,638,073,833.48
  5. Step 5: Solve for x
    x = 676,638,073,833.48/933,256.80
  6. Step 6: Final answer
    x = 725,028.82

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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.