Home / 1,386,705.01-2,077,191.86-816,328.58

Finding the Fourth Proportional to 1,386,705.01, 2,077,191.86 and 816,328.58

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Solution

The fourth proportional to 1,386,705.01, 2,077,191.86 and 816,328.58 is: 1,222,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,705.01 : 2,077,191.86 = 816,328.58 : x
  2. Step 2: Convert to fraction form
    1,386,705.01/2,077,191.86 = 816,328.58/x
  3. Step 3: Cross multiply
    1,386,705.01x = 2,077,191.86 × 816,328.58
  4. Step 4: Simplify right side
    1,386,705.01x = 1,695,671,066,993.76
  5. Step 5: Solve for x
    x = 1,695,671,066,993.76/1,386,705.01
  6. Step 6: Final answer
    x = 1,222,805.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.