Home / 909,120.31-1,254,734.04-546,910.28

Finding the Fourth Proportional to 909,120.31, 1,254,734.04 and 546,910.28

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Solution

The fourth proportional to 909,120.31, 1,254,734.04 and 546,910.28 is: 754,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,120.31 : 1,254,734.04 = 546,910.28 : x
  2. Step 2: Convert to fraction form
    909,120.31/1,254,734.04 = 546,910.28/x
  3. Step 3: Cross multiply
    909,120.31x = 1,254,734.04 × 546,910.28
  4. Step 4: Simplify right side
    909,120.31x = 686,226,945,624.43
  5. Step 5: Solve for x
    x = 686,226,945,624.43/909,120.31
  6. Step 6: Final answer
    x = 754,825.23

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Double scale
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1.5x scale

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.