Home / 1,235,109.90-1,852,837.65-525,132.30

Finding the Fourth Proportional to 1,235,109.90, 1,852,837.65 and 525,132.30

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Solution

The fourth proportional to 1,235,109.90, 1,852,837.65 and 525,132.30 is: 787,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,109.90 : 1,852,837.65 = 525,132.30 : x
  2. Step 2: Convert to fraction form
    1,235,109.90/1,852,837.65 = 525,132.30/x
  3. Step 3: Cross multiply
    1,235,109.90x = 1,852,837.65 × 525,132.30
  4. Step 4: Simplify right side
    1,235,109.90x = 972,984,896,671.10
  5. Step 5: Solve for x
    x = 972,984,896,671.10/1,235,109.90
  6. Step 6: Final answer
    x = 787,771.92

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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.