Home / 1,235,102.90-1,852,827.15-525,125.30

Finding the Fourth Proportional to 1,235,102.90, 1,852,827.15 and 525,125.30

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Solution

The fourth proportional to 1,235,102.90, 1,852,827.15 and 525,125.30 is: 787,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,102.90 : 1,852,827.15 = 525,125.30 : x
  2. Step 2: Convert to fraction form
    1,235,102.90/1,852,827.15 = 525,125.30/x
  3. Step 3: Cross multiply
    1,235,102.90x = 1,852,827.15 × 525,125.30
  4. Step 4: Simplify right side
    1,235,102.90x = 972,966,412,991.90
  5. Step 5: Solve for x
    x = 972,966,412,991.90/1,235,102.90
  6. Step 6: Final answer
    x = 787,761.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.