Home / 835,390.36-1,152,839.55-453,417.22

Finding the Fourth Proportional to 835,390.36, 1,152,839.55 and 453,417.22

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Solution

The fourth proportional to 835,390.36, 1,152,839.55 and 453,417.22 is: 625,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,390.36 : 1,152,839.55 = 453,417.22 : x
  2. Step 2: Convert to fraction form
    835,390.36/1,152,839.55 = 453,417.22/x
  3. Step 3: Cross multiply
    835,390.36x = 1,152,839.55 × 453,417.22
  4. Step 4: Simplify right side
    835,390.36x = 522,717,303,867.05
  5. Step 5: Solve for x
    x = 522,717,303,867.05/835,390.36
  6. Step 6: Final answer
    x = 625,716.23

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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.