Home / 909,795-1,255,111.29-527,600.46

Finding the Fourth Proportional to 909,795, 1,255,111.29 and 527,600.46

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Solution

The fourth proportional to 909,795, 1,255,111.29 and 527,600.46 is: 727,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,795 : 1,255,111.29 = 527,600.46 : x
  2. Step 2: Convert to fraction form
    909,795/1,255,111.29 = 527,600.46/x
  3. Step 3: Cross multiply
    909,795x = 1,255,111.29 × 527,600.46
  4. Step 4: Simplify right side
    909,795x = 662,197,293,955.19
  5. Step 5: Solve for x
    x = 662,197,293,955.19/909,795
  6. Step 6: Final answer
    x = 727,853.30

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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.