Home / 835,394.40-1,152,845.58-453,421.34

Finding the Fourth Proportional to 835,394.40, 1,152,845.58 and 453,421.34

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Solution

The fourth proportional to 835,394.40, 1,152,845.58 and 453,421.34 is: 625,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,394.40 : 1,152,845.58 = 453,421.34 : x
  2. Step 2: Convert to fraction form
    835,394.40/1,152,845.58 = 453,421.34/x
  3. Step 3: Cross multiply
    835,394.40x = 1,152,845.58 × 453,421.34
  4. Step 4: Simplify right side
    835,394.40x = 522,724,787,696.68
  5. Step 5: Solve for x
    x = 522,724,787,696.68/835,394.40
  6. Step 6: Final answer
    x = 625,722.16

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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.