Home / 1,125,397.95-1,553,197.01-641,852.25

Finding the Fourth Proportional to 1,125,397.95, 1,553,197.01 and 641,852.25

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Solution

The fourth proportional to 1,125,397.95, 1,553,197.01 and 641,852.25 is: 885,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,397.95 : 1,553,197.01 = 641,852.25 : x
  2. Step 2: Convert to fraction form
    1,125,397.95/1,553,197.01 = 641,852.25/x
  3. Step 3: Cross multiply
    1,125,397.95x = 1,553,197.01 × 641,852.25
  4. Step 4: Simplify right side
    1,125,397.95x = 996,922,995,561.77
  5. Step 5: Solve for x
    x = 996,922,995,561.77/1,125,397.95
  6. Step 6: Final answer
    x = 885,840.42

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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.