Home / 1,154,779.86-1,593,457.11-638,464

Finding the Fourth Proportional to 1,154,779.86, 1,593,457.11 and 638,464

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Solution

The fourth proportional to 1,154,779.86, 1,593,457.11 and 638,464 is: 881,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,779.86 : 1,593,457.11 = 638,464 : x
  2. Step 2: Convert to fraction form
    1,154,779.86/1,593,457.11 = 638,464/x
  3. Step 3: Cross multiply
    1,154,779.86x = 1,593,457.11 × 638,464
  4. Step 4: Simplify right side
    1,154,779.86x = 1,017,365,000,279.04
  5. Step 5: Solve for x
    x = 1,017,365,000,279.04/1,154,779.86
  6. Step 6: Final answer
    x = 881,003.42

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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.