Home / 447,010.35-616,870.95-243,061.40

Finding the Fourth Proportional to 447,010.35, 616,870.95 and 243,061.40

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Solution

The fourth proportional to 447,010.35, 616,870.95 and 243,061.40 is: 335,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,010.35 : 616,870.95 = 243,061.40 : x
  2. Step 2: Convert to fraction form
    447,010.35/616,870.95 = 243,061.40/x
  3. Step 3: Cross multiply
    447,010.35x = 616,870.95 × 243,061.40
  4. Step 4: Simplify right side
    447,010.35x = 149,937,514,728.67
  5. Step 5: Solve for x
    x = 149,937,514,728.67/447,010.35
  6. Step 6: Final answer
    x = 335,422.92

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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.