Home / 1,124,296.71-1,551,488.35-640,768.46

Finding the Fourth Proportional to 1,124,296.71, 1,551,488.35 and 640,768.46

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Solution

The fourth proportional to 1,124,296.71, 1,551,488.35 and 640,768.46 is: 884,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,296.71 : 1,551,488.35 = 640,768.46 : x
  2. Step 2: Convert to fraction form
    1,124,296.71/1,551,488.35 = 640,768.46/x
  3. Step 3: Cross multiply
    1,124,296.71x = 1,551,488.35 × 640,768.46
  4. Step 4: Simplify right side
    1,124,296.71x = 994,144,791,378.08
  5. Step 5: Solve for x
    x = 994,144,791,378.08/1,124,296.71
  6. Step 6: Final answer
    x = 884,237.04

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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.