Home / 1,117,367.50-1,676,066.63-318,649.13

Finding the Fourth Proportional to 1,117,367.50, 1,676,066.63 and 318,649.13

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Solution

The fourth proportional to 1,117,367.50, 1,676,066.63 and 318,649.13 is: 477,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,367.50 : 1,676,066.63 = 318,649.13 : x
  2. Step 2: Convert to fraction form
    1,117,367.50/1,676,066.63 = 318,649.13/x
  3. Step 3: Cross multiply
    1,117,367.50x = 1,676,066.63 × 318,649.13
  4. Step 4: Simplify right side
    1,117,367.50x = 534,077,173,471.53
  5. Step 5: Solve for x
    x = 534,077,173,471.53/1,117,367.50
  6. Step 6: Final answer
    x = 477,978.08

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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.