Home / 705,949.61-974,295.47-404,137.13

Finding the Fourth Proportional to 705,949.61, 974,295.47 and 404,137.13

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Solution

The fourth proportional to 705,949.61, 974,295.47 and 404,137.13 is: 557,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,949.61 : 974,295.47 = 404,137.13 : x
  2. Step 2: Convert to fraction form
    705,949.61/974,295.47 = 404,137.13/x
  3. Step 3: Cross multiply
    705,949.61x = 974,295.47 × 404,137.13
  4. Step 4: Simplify right side
    705,949.61x = 393,748,971,156.67
  5. Step 5: Solve for x
    x = 393,748,971,156.67/705,949.61
  6. Step 6: Final answer
    x = 557,757.90

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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.