Home / 1,335,458.60-1,842,967.16-819,497.55

Finding the Fourth Proportional to 1,335,458.60, 1,842,967.16 and 819,497.55

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Solution

The fourth proportional to 1,335,458.60, 1,842,967.16 and 819,497.55 is: 1,130,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,458.60 : 1,842,967.16 = 819,497.55 : x
  2. Step 2: Convert to fraction form
    1,335,458.60/1,842,967.16 = 819,497.55/x
  3. Step 3: Cross multiply
    1,335,458.60x = 1,842,967.16 × 819,497.55
  4. Step 4: Simplify right side
    1,335,458.60x = 1,510,307,068,252.97
  5. Step 5: Solve for x
    x = 1,510,307,068,252.97/1,335,458.60
  6. Step 6: Final answer
    x = 1,130,927.66

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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.