Home / 835,753.42-1,153,344.32-453,780.21

Finding the Fourth Proportional to 835,753.42, 1,153,344.32 and 453,780.21

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Solution

The fourth proportional to 835,753.42, 1,153,344.32 and 453,780.21 is: 626,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,753.42 : 1,153,344.32 = 453,780.21 : x
  2. Step 2: Convert to fraction form
    835,753.42/1,153,344.32 = 453,780.21/x
  3. Step 3: Cross multiply
    835,753.42x = 1,153,344.32 × 453,780.21
  4. Step 4: Simplify right side
    835,753.42x = 523,364,825,983.00
  5. Step 5: Solve for x
    x = 523,364,825,983.00/835,753.42
  6. Step 6: Final answer
    x = 626,219.19

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Double scale
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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.