Home / 1,234,802.43-1,852,203.65-813,979.89

Finding the Fourth Proportional to 1,234,802.43, 1,852,203.65 and 813,979.89

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Solution

The fourth proportional to 1,234,802.43, 1,852,203.65 and 813,979.89 is: 1,220,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,802.43 : 1,852,203.65 = 813,979.89 : x
  2. Step 2: Convert to fraction form
    1,234,802.43/1,852,203.65 = 813,979.89/x
  3. Step 3: Cross multiply
    1,234,802.43x = 1,852,203.65 × 813,979.89
  4. Step 4: Simplify right side
    1,234,802.43x = 1,507,656,523,284.60
  5. Step 5: Solve for x
    x = 1,507,656,523,284.60/1,234,802.43
  6. Step 6: Final answer
    x = 1,220,969.84

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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.