Home / 689,016.88-951,109.23-459,491.23

Finding the Fourth Proportional to 689,016.88, 951,109.23 and 459,491.23

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Solution

The fourth proportional to 689,016.88, 951,109.23 and 459,491.23 is: 634,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,016.88 : 951,109.23 = 459,491.23 : x
  2. Step 2: Convert to fraction form
    689,016.88/951,109.23 = 459,491.23/x
  3. Step 3: Cross multiply
    689,016.88x = 951,109.23 × 459,491.23
  4. Step 4: Simplify right side
    689,016.88x = 437,026,349,957.05
  5. Step 5: Solve for x
    x = 437,026,349,957.05/689,016.88
  6. Step 6: Final answer
    x = 634,275.24

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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.