Home / 1,328,838.40-1,833,159.36-869,750.92

Finding the Fourth Proportional to 1,328,838.40, 1,833,159.36 and 869,750.92

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Solution

The fourth proportional to 1,328,838.40, 1,833,159.36 and 869,750.92 is: 1,199,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,838.40 : 1,833,159.36 = 869,750.92 : x
  2. Step 2: Convert to fraction form
    1,328,838.40/1,833,159.36 = 869,750.92/x
  3. Step 3: Cross multiply
    1,328,838.40x = 1,833,159.36 × 869,750.92
  4. Step 4: Simplify right side
    1,328,838.40x = 1,594,392,039,866.61
  5. Step 5: Solve for x
    x = 1,594,392,039,866.61/1,328,838.40
  6. Step 6: Final answer
    x = 1,199,838.93

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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.