Home / 834,979.78-1,152,261.75-453,003.76

Finding the Fourth Proportional to 834,979.78, 1,152,261.75 and 453,003.76

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Solution

The fourth proportional to 834,979.78, 1,152,261.75 and 453,003.76 is: 625,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,979.78 : 1,152,261.75 = 453,003.76 : x
  2. Step 2: Convert to fraction form
    834,979.78/1,152,261.75 = 453,003.76/x
  3. Step 3: Cross multiply
    834,979.78x = 1,152,261.75 × 453,003.76
  4. Step 4: Simplify right side
    834,979.78x = 521,978,905,254.18
  5. Step 5: Solve for x
    x = 521,978,905,254.18/834,979.78
  6. Step 6: Final answer
    x = 625,139.58

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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.