Home / 879,532.25-1,213,756.85-477,124.25

Finding the Fourth Proportional to 879,532.25, 1,213,756.85 and 477,124.25

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Solution

The fourth proportional to 879,532.25, 1,213,756.85 and 477,124.25 is: 658,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,532.25 : 1,213,756.85 = 477,124.25 : x
  2. Step 2: Convert to fraction form
    879,532.25/1,213,756.85 = 477,124.25/x
  3. Step 3: Cross multiply
    879,532.25x = 1,213,756.85 × 477,124.25
  4. Step 4: Simplify right side
    879,532.25x = 579,112,827,387.38
  5. Step 5: Solve for x
    x = 579,112,827,387.38/879,532.25
  6. Step 6: Final answer
    x = 658,432.74

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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.