Home / 1,602,811.60-2,211,932.80-877,689.92

Finding the Fourth Proportional to 1,602,811.60, 2,211,932.80 and 877,689.92

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Solution

The fourth proportional to 1,602,811.60, 2,211,932.80 and 877,689.92 is: 1,211,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,811.60 : 2,211,932.80 = 877,689.92 : x
  2. Step 2: Convert to fraction form
    1,602,811.60/2,211,932.80 = 877,689.92/x
  3. Step 3: Cross multiply
    1,602,811.60x = 2,211,932.80 × 877,689.92
  4. Step 4: Simplify right side
    1,602,811.60x = 1,941,391,122,277.38
  5. Step 5: Solve for x
    x = 1,941,391,122,277.38/1,602,811.60
  6. Step 6: Final answer
    x = 1,211,241.00

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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.