Home / 1,017,440.64-1,526,072.40-386,359.20

Finding the Fourth Proportional to 1,017,440.64, 1,526,072.40 and 386,359.20

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Solution

The fourth proportional to 1,017,440.64, 1,526,072.40 and 386,359.20 is: 579,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,440.64 : 1,526,072.40 = 386,359.20 : x
  2. Step 2: Convert to fraction form
    1,017,440.64/1,526,072.40 = 386,359.20/x
  3. Step 3: Cross multiply
    1,017,440.64x = 1,526,072.40 × 386,359.20
  4. Step 4: Simplify right side
    1,017,440.64x = 589,612,111,606.08
  5. Step 5: Solve for x
    x = 589,612,111,606.08/1,017,440.64
  6. Step 6: Final answer
    x = 579,505.17

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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.