Home / 702,466.20-1,053,699.30-525,319.20

Finding the Fourth Proportional to 702,466.20, 1,053,699.30 and 525,319.20

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Solution

The fourth proportional to 702,466.20, 1,053,699.30 and 525,319.20 is: 787,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,466.20 : 1,053,699.30 = 525,319.20 : x
  2. Step 2: Convert to fraction form
    702,466.20/1,053,699.30 = 525,319.20/x
  3. Step 3: Cross multiply
    702,466.20x = 1,053,699.30 × 525,319.20
  4. Step 4: Simplify right side
    702,466.20x = 553,528,473,316.56
  5. Step 5: Solve for x
    x = 553,528,473,316.56/702,466.20
  6. Step 6: Final answer
    x = 787,978.80

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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.