Home / 835,376.80-1,152,820.98-453,403.66

Finding the Fourth Proportional to 835,376.80, 1,152,820.98 and 453,403.66

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Solution

The fourth proportional to 835,376.80, 1,152,820.98 and 453,403.66 is: 625,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,376.80 : 1,152,820.98 = 453,403.66 : x
  2. Step 2: Convert to fraction form
    835,376.80/1,152,820.98 = 453,403.66/x
  3. Step 3: Cross multiply
    835,376.80x = 1,152,820.98 × 453,403.66
  4. Step 4: Simplify right side
    835,376.80x = 522,693,251,656.79
  5. Step 5: Solve for x
    x = 522,693,251,656.79/835,376.80
  6. Step 6: Final answer
    x = 625,697.59

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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.