Home / 837,285.69-1,155,419.37-474,734.10

Finding the Fourth Proportional to 837,285.69, 1,155,419.37 and 474,734.10

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Solution

The fourth proportional to 837,285.69, 1,155,419.37 and 474,734.10 is: 655,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,285.69 : 1,155,419.37 = 474,734.10 : x
  2. Step 2: Convert to fraction form
    837,285.69/1,155,419.37 = 474,734.10/x
  3. Step 3: Cross multiply
    837,285.69x = 1,155,419.37 × 474,734.10
  4. Step 4: Simplify right side
    837,285.69x = 548,516,974,739.52
  5. Step 5: Solve for x
    x = 548,516,974,739.52/837,285.69
  6. Step 6: Final answer
    x = 655,113.28

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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.