Home / 689,753.07-1,034,630.01-191,117.07

Finding the Fourth Proportional to 689,753.07, 1,034,630.01 and 191,117.07

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Solution

The fourth proportional to 689,753.07, 1,034,630.01 and 191,117.07 is: 286,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,753.07 : 1,034,630.01 = 191,117.07 : x
  2. Step 2: Convert to fraction form
    689,753.07/1,034,630.01 = 191,117.07/x
  3. Step 3: Cross multiply
    689,753.07x = 1,034,630.01 × 191,117.07
  4. Step 4: Simplify right side
    689,753.07x = 197,735,456,045.27
  5. Step 5: Solve for x
    x = 197,735,456,045.27/689,753.07
  6. Step 6: Final answer
    x = 286,675.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.