Home / 912,464.02-1,258,781.81-590,278.02

Finding the Fourth Proportional to 912,464.02, 1,258,781.81 and 590,278.02

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Solution

The fourth proportional to 912,464.02, 1,258,781.81 and 590,278.02 is: 814,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,464.02 : 1,258,781.81 = 590,278.02 : x
  2. Step 2: Convert to fraction form
    912,464.02/1,258,781.81 = 590,278.02/x
  3. Step 3: Cross multiply
    912,464.02x = 1,258,781.81 × 590,278.02
  4. Step 4: Simplify right side
    912,464.02x = 743,031,234,418.82
  5. Step 5: Solve for x
    x = 743,031,234,418.82/912,464.02
  6. Step 6: Final answer
    x = 814,312.91

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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.