Home / 1,213,513.90-1,674,577.02-669,700.86

Finding the Fourth Proportional to 1,213,513.90, 1,674,577.02 and 669,700.86

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Solution

The fourth proportional to 1,213,513.90, 1,674,577.02 and 669,700.86 is: 924,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,513.90 : 1,674,577.02 = 669,700.86 : x
  2. Step 2: Convert to fraction form
    1,213,513.90/1,674,577.02 = 669,700.86/x
  3. Step 3: Cross multiply
    1,213,513.90x = 1,674,577.02 × 669,700.86
  4. Step 4: Simplify right side
    1,213,513.90x = 1,121,465,670,430.85
  5. Step 5: Solve for x
    x = 1,121,465,670,430.85/1,213,513.90
  6. Step 6: Final answer
    x = 924,147.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.