Home / 1,191,417.07-1,644,172.21-647,552.70

Finding the Fourth Proportional to 1,191,417.07, 1,644,172.21 and 647,552.70

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Solution

The fourth proportional to 1,191,417.07, 1,644,172.21 and 647,552.70 is: 893,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,417.07 : 1,644,172.21 = 647,552.70 : x
  2. Step 2: Convert to fraction form
    1,191,417.07/1,644,172.21 = 647,552.70/x
  3. Step 3: Cross multiply
    1,191,417.07x = 1,644,172.21 × 647,552.70
  4. Step 4: Simplify right side
    1,191,417.07x = 1,064,688,145,629.61
  5. Step 5: Solve for x
    x = 1,064,688,145,629.61/1,191,417.07
  6. Step 6: Final answer
    x = 893,631.77

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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.