Home / 1,186,202.04-1,636,955.86-642,337.82

Finding the Fourth Proportional to 1,186,202.04, 1,636,955.86 and 642,337.82

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Solution

The fourth proportional to 1,186,202.04, 1,636,955.86 and 642,337.82 is: 886,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,202.04 : 1,636,955.86 = 642,337.82 : x
  2. Step 2: Convert to fraction form
    1,186,202.04/1,636,955.86 = 642,337.82/x
  3. Step 3: Cross multiply
    1,186,202.04x = 1,636,955.86 × 642,337.82
  4. Step 4: Simplify right side
    1,186,202.04x = 1,051,478,658,548.63
  5. Step 5: Solve for x
    x = 1,051,478,658,548.63/1,186,202.04
  6. Step 6: Final answer
    x = 886,424.59

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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.