Home / 835,620.90-1,153,150.65-453,637.86

Finding the Fourth Proportional to 835,620.90, 1,153,150.65 and 453,637.86

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Solution

The fourth proportional to 835,620.90, 1,153,150.65 and 453,637.86 is: 626,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,620.90 : 1,153,150.65 = 453,637.86 : x
  2. Step 2: Convert to fraction form
    835,620.90/1,153,150.65 = 453,637.86/x
  3. Step 3: Cross multiply
    835,620.90x = 1,153,150.65 × 453,637.86
  4. Step 4: Simplify right side
    835,620.90x = 523,112,793,123.61
  5. Step 5: Solve for x
    x = 523,112,793,123.61/835,620.90
  6. Step 6: Final answer
    x = 626,016.89

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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.