Home / 689,246.13-951,104.55-383,323.11

Finding the Fourth Proportional to 689,246.13, 951,104.55 and 383,323.11

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Solution

The fourth proportional to 689,246.13, 951,104.55 and 383,323.11 is: 528,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,246.13 : 951,104.55 = 383,323.11 : x
  2. Step 2: Convert to fraction form
    689,246.13/951,104.55 = 383,323.11/x
  3. Step 3: Cross multiply
    689,246.13x = 951,104.55 × 383,323.11
  4. Step 4: Simplify right side
    689,246.13x = 364,580,354,041.15
  5. Step 5: Solve for x
    x = 364,580,354,041.15/689,246.13
  6. Step 6: Final answer
    x = 528,955.24

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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.