Home / 1,153,695.40-1,728,129.28-927,835

Finding the Fourth Proportional to 1,153,695.40, 1,728,129.28 and 927,835

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Solution

The fourth proportional to 1,153,695.40, 1,728,129.28 and 927,835 is: 1,389,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,695.40 : 1,728,129.28 = 927,835 : x
  2. Step 2: Convert to fraction form
    1,153,695.40/1,728,129.28 = 927,835/x
  3. Step 3: Cross multiply
    1,153,695.40x = 1,728,129.28 × 927,835
  4. Step 4: Simplify right side
    1,153,695.40x = 1,603,418,830,508.80
  5. Step 5: Solve for x
    x = 1,603,418,830,508.80/1,153,695.40
  6. Step 6: Final answer
    x = 1,389,811.24

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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.