Home / 774,664.38-1,068,870.99-452,228.13

Finding the Fourth Proportional to 774,664.38, 1,068,870.99 and 452,228.13

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Solution

The fourth proportional to 774,664.38, 1,068,870.99 and 452,228.13 is: 623,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,664.38 : 1,068,870.99 = 452,228.13 : x
  2. Step 2: Convert to fraction form
    774,664.38/1,068,870.99 = 452,228.13/x
  3. Step 3: Cross multiply
    774,664.38x = 1,068,870.99 × 452,228.13
  4. Step 4: Simplify right side
    774,664.38x = 483,373,529,018.95
  5. Step 5: Solve for x
    x = 483,373,529,018.95/774,664.38
  6. Step 6: Final answer
    x = 623,978.00

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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.