Home / 835,390.08-1,152,842.40-453,417.60

Finding the Fourth Proportional to 835,390.08, 1,152,842.40 and 453,417.60

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Solution

The fourth proportional to 835,390.08, 1,152,842.40 and 453,417.60 is: 625,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,390.08 : 1,152,842.40 = 453,417.60 : x
  2. Step 2: Convert to fraction form
    835,390.08/1,152,842.40 = 453,417.60/x
  3. Step 3: Cross multiply
    835,390.08x = 1,152,842.40 × 453,417.60
  4. Step 4: Simplify right side
    835,390.08x = 522,719,034,186.24
  5. Step 5: Solve for x
    x = 522,719,034,186.24/835,390.08
  6. Step 6: Final answer
    x = 625,718.51

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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.