Home / 835,420.03-1,152,848.77-453,438.61

Finding the Fourth Proportional to 835,420.03, 1,152,848.77 and 453,438.61

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Solution

The fourth proportional to 835,420.03, 1,152,848.77 and 453,438.61 is: 625,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,420.03 : 1,152,848.77 = 453,438.61 : x
  2. Step 2: Convert to fraction form
    835,420.03/1,152,848.77 = 453,438.61/x
  3. Step 3: Cross multiply
    835,420.03x = 1,152,848.77 × 453,438.61
  4. Step 4: Simplify right side
    835,420.03x = 522,746,139,793.29
  5. Step 5: Solve for x
    x = 522,746,139,793.29/835,420.03
  6. Step 6: Final answer
    x = 625,728.52

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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.