Home / 1,186,267.97-1,637,050.65-642,404.34

Finding the Fourth Proportional to 1,186,267.97, 1,637,050.65 and 642,404.34

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Solution

The fourth proportional to 1,186,267.97, 1,637,050.65 and 642,404.34 is: 886,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,267.97 : 1,637,050.65 = 642,404.34 : x
  2. Step 2: Convert to fraction form
    1,186,267.97/1,637,050.65 = 642,404.34/x
  3. Step 3: Cross multiply
    1,186,267.97x = 1,637,050.65 × 642,404.34
  4. Step 4: Simplify right side
    1,186,267.97x = 1,051,648,442,359.82
  5. Step 5: Solve for x
    x = 1,051,648,442,359.82/1,186,267.97
  6. Step 6: Final answer
    x = 886,518.45

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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.