Home / 835,410.12-1,152,835.08-453,428.76

Finding the Fourth Proportional to 835,410.12, 1,152,835.08 and 453,428.76

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Solution

The fourth proportional to 835,410.12, 1,152,835.08 and 453,428.76 is: 625,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,410.12 : 1,152,835.08 = 453,428.76 : x
  2. Step 2: Convert to fraction form
    835,410.12/1,152,835.08 = 453,428.76/x
  3. Step 3: Cross multiply
    835,410.12x = 1,152,835.08 × 453,428.76
  4. Step 4: Simplify right side
    835,410.12x = 522,728,580,808.90
  5. Step 5: Solve for x
    x = 522,728,580,808.90/835,410.12
  6. Step 6: Final answer
    x = 625,714.93

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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.