Home / 909,573.28-1,255,703.25-547,078.06

Finding the Fourth Proportional to 909,573.28, 1,255,703.25 and 547,078.06

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Solution

The fourth proportional to 909,573.28, 1,255,703.25 and 547,078.06 is: 755,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,573.28 : 1,255,703.25 = 547,078.06 : x
  2. Step 2: Convert to fraction form
    909,573.28/1,255,703.25 = 547,078.06/x
  3. Step 3: Cross multiply
    909,573.28x = 1,255,703.25 × 547,078.06
  4. Step 4: Simplify right side
    909,573.28x = 686,967,697,945.70
  5. Step 5: Solve for x
    x = 686,967,697,945.70/909,573.28
  6. Step 6: Final answer
    x = 755,263.72

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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.