Home / 877,449.60-1,314,206.10-719,985.60

Finding the Fourth Proportional to 877,449.60, 1,314,206.10 and 719,985.60

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Solution

The fourth proportional to 877,449.60, 1,314,206.10 and 719,985.60 is: 1,078,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,449.60 : 1,314,206.10 = 719,985.60 : x
  2. Step 2: Convert to fraction form
    877,449.60/1,314,206.10 = 719,985.60/x
  3. Step 3: Cross multiply
    877,449.60x = 1,314,206.10 × 719,985.60
  4. Step 4: Simplify right side
    877,449.60x = 946,209,467,432.16
  5. Step 5: Solve for x
    x = 946,209,467,432.16/877,449.60
  6. Step 6: Final answer
    x = 1,078,363.32

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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.