Home / 932,113.75-1,399,479.75-477,030.49

Finding the Fourth Proportional to 932,113.75, 1,399,479.75 and 477,030.49

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Solution

The fourth proportional to 932,113.75, 1,399,479.75 and 477,030.49 is: 716,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,113.75 : 1,399,479.75 = 477,030.49 : x
  2. Step 2: Convert to fraction form
    932,113.75/1,399,479.75 = 477,030.49/x
  3. Step 3: Cross multiply
    932,113.75x = 1,399,479.75 × 477,030.49
  4. Step 4: Simplify right side
    932,113.75x = 667,594,512,666.56
  5. Step 5: Solve for x
    x = 667,594,512,666.56/932,113.75
  6. Step 6: Final answer
    x = 716,215.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.