Home / 1,043,035.28-1,439,338.88-640,549.52

Finding the Fourth Proportional to 1,043,035.28, 1,439,338.88 and 640,549.52

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Solution

The fourth proportional to 1,043,035.28, 1,439,338.88 and 640,549.52 is: 883,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,035.28 : 1,439,338.88 = 640,549.52 : x
  2. Step 2: Convert to fraction form
    1,043,035.28/1,439,338.88 = 640,549.52/x
  3. Step 3: Cross multiply
    1,043,035.28x = 1,439,338.88 × 640,549.52
  4. Step 4: Simplify right side
    1,043,035.28x = 921,967,828,701.34
  5. Step 5: Solve for x
    x = 921,967,828,701.34/1,043,035.28
  6. Step 6: Final answer
    x = 883,927.75

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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.