Home / 1,314,531.80-1,971,777.20-674,466.16

Finding the Fourth Proportional to 1,314,531.80, 1,971,777.20 and 674,466.16

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Solution

The fourth proportional to 1,314,531.80, 1,971,777.20 and 674,466.16 is: 1,011,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,531.80 : 1,971,777.20 = 674,466.16 : x
  2. Step 2: Convert to fraction form
    1,314,531.80/1,971,777.20 = 674,466.16/x
  3. Step 3: Cross multiply
    1,314,531.80x = 1,971,777.20 × 674,466.16
  4. Step 4: Simplify right side
    1,314,531.80x = 1,329,896,996,459.55
  5. Step 5: Solve for x
    x = 1,329,896,996,459.55/1,314,531.80
  6. Step 6: Final answer
    x = 1,011,688.72

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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.