Home / 914,173.28-1,261,564.56-506,287.52

Finding the Fourth Proportional to 914,173.28, 1,261,564.56 and 506,287.52

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Solution

The fourth proportional to 914,173.28, 1,261,564.56 and 506,287.52 is: 698,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,173.28 : 1,261,564.56 = 506,287.52 : x
  2. Step 2: Convert to fraction form
    914,173.28/1,261,564.56 = 506,287.52/x
  3. Step 3: Cross multiply
    914,173.28x = 1,261,564.56 × 506,287.52
  4. Step 4: Simplify right side
    914,173.28x = 638,714,392,402.29
  5. Step 5: Solve for x
    x = 638,714,392,402.29/914,173.28
  6. Step 6: Final answer
    x = 698,679.79

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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.