Home / 748,106.55-1,032,393.65-425,837.40

Finding the Fourth Proportional to 748,106.55, 1,032,393.65 and 425,837.40

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Solution

The fourth proportional to 748,106.55, 1,032,393.65 and 425,837.40 is: 587,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,106.55 : 1,032,393.65 = 425,837.40 : x
  2. Step 2: Convert to fraction form
    748,106.55/1,032,393.65 = 425,837.40/x
  3. Step 3: Cross multiply
    748,106.55x = 1,032,393.65 × 425,837.40
  4. Step 4: Simplify right side
    748,106.55x = 439,631,825,563.32
  5. Step 5: Solve for x
    x = 439,631,825,563.32/748,106.55
  6. Step 6: Final answer
    x = 587,659.37

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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.