Home / 1,923,328.80-2,885,252.40-661,543.20

Finding the Fourth Proportional to 1,923,328.80, 2,885,252.40 and 661,543.20

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Solution

The fourth proportional to 1,923,328.80, 2,885,252.40 and 661,543.20 is: 992,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,328.80 : 2,885,252.40 = 661,543.20 : x
  2. Step 2: Convert to fraction form
    1,923,328.80/2,885,252.40 = 661,543.20/x
  3. Step 3: Cross multiply
    1,923,328.80x = 2,885,252.40 × 661,543.20
  4. Step 4: Simplify right side
    1,923,328.80x = 1,908,719,105,503.68
  5. Step 5: Solve for x
    x = 1,908,719,105,503.68/1,923,328.80
  6. Step 6: Final answer
    x = 992,403.95

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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.