Home / 1,386,222.80-2,080,111.80-587,368.40

Finding the Fourth Proportional to 1,386,222.80, 2,080,111.80 and 587,368.40

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Solution

The fourth proportional to 1,386,222.80, 2,080,111.80 and 587,368.40 is: 881,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,222.80 : 2,080,111.80 = 587,368.40 : x
  2. Step 2: Convert to fraction form
    1,386,222.80/2,080,111.80 = 587,368.40/x
  3. Step 3: Cross multiply
    1,386,222.80x = 2,080,111.80 × 587,368.40
  4. Step 4: Simplify right side
    1,386,222.80x = 1,221,791,939,787.12
  5. Step 5: Solve for x
    x = 1,221,791,939,787.12/1,386,222.80
  6. Step 6: Final answer
    x = 881,382.08

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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.