Home / 1,008,724.84-1,392,040.02-556,023.40

Finding the Fourth Proportional to 1,008,724.84, 1,392,040.02 and 556,023.40

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Solution

The fourth proportional to 1,008,724.84, 1,392,040.02 and 556,023.40 is: 767,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,724.84 : 1,392,040.02 = 556,023.40 : x
  2. Step 2: Convert to fraction form
    1,008,724.84/1,392,040.02 = 556,023.40/x
  3. Step 3: Cross multiply
    1,008,724.84x = 1,392,040.02 × 556,023.40
  4. Step 4: Simplify right side
    1,008,724.84x = 774,006,824,856.47
  5. Step 5: Solve for x
    x = 774,006,824,856.47/1,008,724.84
  6. Step 6: Final answer
    x = 767,312.15

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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.