Home / 649,248.30-895,965.39-354,903.93

Finding the Fourth Proportional to 649,248.30, 895,965.39 and 354,903.93

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Solution

The fourth proportional to 649,248.30, 895,965.39 and 354,903.93 is: 489,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,248.30 : 895,965.39 = 354,903.93 : x
  2. Step 2: Convert to fraction form
    649,248.30/895,965.39 = 354,903.93/x
  3. Step 3: Cross multiply
    649,248.30x = 895,965.39 × 354,903.93
  4. Step 4: Simplify right side
    649,248.30x = 317,981,638,054.98
  5. Step 5: Solve for x
    x = 317,981,638,054.98/649,248.30
  6. Step 6: Final answer
    x = 489,768.92

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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.