Home / 755,808.47-1,043,015.69-416,276.72

Finding the Fourth Proportional to 755,808.47, 1,043,015.69 and 416,276.72

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Solution

The fourth proportional to 755,808.47, 1,043,015.69 and 416,276.72 is: 574,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,808.47 : 1,043,015.69 = 416,276.72 : x
  2. Step 2: Convert to fraction form
    755,808.47/1,043,015.69 = 416,276.72/x
  3. Step 3: Cross multiply
    755,808.47x = 1,043,015.69 × 416,276.72
  4. Step 4: Simplify right side
    755,808.47x = 434,183,150,341.74
  5. Step 5: Solve for x
    x = 434,183,150,341.74/755,808.47
  6. Step 6: Final answer
    x = 574,461.87

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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.