Home / 1,017,490.40-1,404,066.48-564,745.76

Finding the Fourth Proportional to 1,017,490.40, 1,404,066.48 and 564,745.76

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Solution

The fourth proportional to 1,017,490.40, 1,404,066.48 and 564,745.76 is: 779,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,490.40 : 1,404,066.48 = 564,745.76 : x
  2. Step 2: Convert to fraction form
    1,017,490.40/1,404,066.48 = 564,745.76/x
  3. Step 3: Cross multiply
    1,017,490.40x = 1,404,066.48 × 564,745.76
  4. Step 4: Simplify right side
    1,017,490.40x = 792,940,591,338.13
  5. Step 5: Solve for x
    x = 792,940,591,338.13/1,017,490.40
  6. Step 6: Final answer
    x = 779,310.15

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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.