Home / 747,849.51-1,032,018.22-457,439.70

Finding the Fourth Proportional to 747,849.51, 1,032,018.22 and 457,439.70

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Solution

The fourth proportional to 747,849.51, 1,032,018.22 and 457,439.70 is: 631,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,849.51 : 1,032,018.22 = 457,439.70 : x
  2. Step 2: Convert to fraction form
    747,849.51/1,032,018.22 = 457,439.70/x
  3. Step 3: Cross multiply
    747,849.51x = 1,032,018.22 × 457,439.70
  4. Step 4: Simplify right side
    747,849.51x = 472,086,106,820.10
  5. Step 5: Solve for x
    x = 472,086,106,820.10/747,849.51
  6. Step 6: Final answer
    x = 631,258.16

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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.