Home / 1,087,764.88-1,500,632.58-724,834.66

Finding the Fourth Proportional to 1,087,764.88, 1,500,632.58 and 724,834.66

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Solution

The fourth proportional to 1,087,764.88, 1,500,632.58 and 724,834.66 is: 999,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,764.88 : 1,500,632.58 = 724,834.66 : x
  2. Step 2: Convert to fraction form
    1,087,764.88/1,500,632.58 = 724,834.66/x
  3. Step 3: Cross multiply
    1,087,764.88x = 1,500,632.58 × 724,834.66
  4. Step 4: Simplify right side
    1,087,764.88x = 1,087,710,505,909.22
  5. Step 5: Solve for x
    x = 1,087,710,505,909.22/1,087,764.88
  6. Step 6: Final answer
    x = 999,950.01

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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.