Home / 1,417,844.72-1,956,547.88-805,912.40

Finding the Fourth Proportional to 1,417,844.72, 1,956,547.88 and 805,912.40

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Solution

The fourth proportional to 1,417,844.72, 1,956,547.88 and 805,912.40 is: 1,112,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,844.72 : 1,956,547.88 = 805,912.40 : x
  2. Step 2: Convert to fraction form
    1,417,844.72/1,956,547.88 = 805,912.40/x
  3. Step 3: Cross multiply
    1,417,844.72x = 1,956,547.88 × 805,912.40
  4. Step 4: Simplify right side
    1,417,844.72x = 1,576,806,197,685.71
  5. Step 5: Solve for x
    x = 1,576,806,197,685.71/1,417,844.72
  6. Step 6: Final answer
    x = 1,112,114.87

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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.