Home / 835,618.92-1,153,168.02-453,645.78

Finding the Fourth Proportional to 835,618.92, 1,153,168.02 and 453,645.78

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Solution

The fourth proportional to 835,618.92, 1,153,168.02 and 453,645.78 is: 626,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,618.92 : 1,153,168.02 = 453,645.78 : x
  2. Step 2: Convert to fraction form
    835,618.92/1,153,168.02 = 453,645.78/x
  3. Step 3: Cross multiply
    835,618.92x = 1,153,168.02 × 453,645.78
  4. Step 4: Simplify right side
    835,618.92x = 523,129,805,903.96
  5. Step 5: Solve for x
    x = 523,129,805,903.96/835,618.92
  6. Step 6: Final answer
    x = 626,038.73

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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.