Home / 1,186,051.84-1,636,744.66-642,176.39

Finding the Fourth Proportional to 1,186,051.84, 1,636,744.66 and 642,176.39

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Solution

The fourth proportional to 1,186,051.84, 1,636,744.66 and 642,176.39 is: 886,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,051.84 : 1,636,744.66 = 642,176.39 : x
  2. Step 2: Convert to fraction form
    1,186,051.84/1,636,744.66 = 642,176.39/x
  3. Step 3: Cross multiply
    1,186,051.84x = 1,636,744.66 × 642,176.39
  4. Step 4: Simplify right side
    1,186,051.84x = 1,051,078,779,597.00
  5. Step 5: Solve for x
    x = 1,051,078,779,597.00/1,186,051.84
  6. Step 6: Final answer
    x = 886,199.70

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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.