Home / 786,506.88-1,085,471.82-447,026.16

Finding the Fourth Proportional to 786,506.88, 1,085,471.82 and 447,026.16

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Solution

The fourth proportional to 786,506.88, 1,085,471.82 and 447,026.16 is: 616,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,506.88 : 1,085,471.82 = 447,026.16 : x
  2. Step 2: Convert to fraction form
    786,506.88/1,085,471.82 = 447,026.16/x
  3. Step 3: Cross multiply
    786,506.88x = 1,085,471.82 × 447,026.16
  4. Step 4: Simplify right side
    786,506.88x = 485,234,299,482.81
  5. Step 5: Solve for x
    x = 485,234,299,482.81/786,506.88
  6. Step 6: Final answer
    x = 616,948.58

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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.