Home / 1,776,946-2,665,416.88-578,866.40

Finding the Fourth Proportional to 1,776,946, 2,665,416.88 and 578,866.40

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Solution

The fourth proportional to 1,776,946, 2,665,416.88 and 578,866.40 is: 868,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,946 : 2,665,416.88 = 578,866.40 : x
  2. Step 2: Convert to fraction form
    1,776,946/2,665,416.88 = 578,866.40/x
  3. Step 3: Cross multiply
    1,776,946x = 2,665,416.88 × 578,866.40
  4. Step 4: Simplify right side
    1,776,946x = 1,542,920,273,824.83
  5. Step 5: Solve for x
    x = 1,542,920,273,824.83/1,776,946
  6. Step 6: Final answer
    x = 868,298.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.