Home / 887,891.41-1,225,370.19-506,041.21

Finding the Fourth Proportional to 887,891.41, 1,225,370.19 and 506,041.21

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Solution

The fourth proportional to 887,891.41, 1,225,370.19 and 506,041.21 is: 698,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,891.41 : 1,225,370.19 = 506,041.21 : x
  2. Step 2: Convert to fraction form
    887,891.41/1,225,370.19 = 506,041.21/x
  3. Step 3: Cross multiply
    887,891.41x = 1,225,370.19 × 506,041.21
  4. Step 4: Simplify right side
    887,891.41x = 620,087,813,645.53
  5. Step 5: Solve for x
    x = 620,087,813,645.53/887,891.41
  6. Step 6: Final answer
    x = 698,382.49

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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.