Home / 1,117,066.10-1,676,036.55-443,032.70

Finding the Fourth Proportional to 1,117,066.10, 1,676,036.55 and 443,032.70

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Solution

The fourth proportional to 1,117,066.10, 1,676,036.55 and 443,032.70 is: 664,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,066.10 : 1,676,036.55 = 443,032.70 : x
  2. Step 2: Convert to fraction form
    1,117,066.10/1,676,036.55 = 443,032.70/x
  3. Step 3: Cross multiply
    1,117,066.10x = 1,676,036.55 × 443,032.70
  4. Step 4: Simplify right side
    1,117,066.10x = 742,538,998,045.19
  5. Step 5: Solve for x
    x = 742,538,998,045.19/1,117,066.10
  6. Step 6: Final answer
    x = 664,722.52

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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.