Home / 1,191,206.68-1,643,881.23-647,353.24

Finding the Fourth Proportional to 1,191,206.68, 1,643,881.23 and 647,353.24

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Solution

The fourth proportional to 1,191,206.68, 1,643,881.23 and 647,353.24 is: 893,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,206.68 : 1,643,881.23 = 647,353.24 : x
  2. Step 2: Convert to fraction form
    1,191,206.68/1,643,881.23 = 647,353.24/x
  3. Step 3: Cross multiply
    1,191,206.68x = 1,643,881.23 × 647,353.24
  4. Step 4: Simplify right side
    1,191,206.68x = 1,064,171,840,415.69
  5. Step 5: Solve for x
    x = 1,064,171,840,415.69/1,191,206.68
  6. Step 6: Final answer
    x = 893,356.17

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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.