Home / 943,174.22-1,421,116.17-778,385.58

Finding the Fourth Proportional to 943,174.22, 1,421,116.17 and 778,385.58

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Solution

The fourth proportional to 943,174.22, 1,421,116.17 and 778,385.58 is: 1,172,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,174.22 : 1,421,116.17 = 778,385.58 : x
  2. Step 2: Convert to fraction form
    943,174.22/1,421,116.17 = 778,385.58/x
  3. Step 3: Cross multiply
    943,174.22x = 1,421,116.17 × 778,385.58
  4. Step 4: Simplify right side
    943,174.22x = 1,106,176,334,232.83
  5. Step 5: Solve for x
    x = 1,106,176,334,232.83/943,174.22
  6. Step 6: Final answer
    x = 1,172,822.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.