Home / 1,036,140.72-1,429,326.90-713,290.32

Finding the Fourth Proportional to 1,036,140.72, 1,429,326.90 and 713,290.32

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Solution

The fourth proportional to 1,036,140.72, 1,429,326.90 and 713,290.32 is: 983,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,140.72 : 1,429,326.90 = 713,290.32 : x
  2. Step 2: Convert to fraction form
    1,036,140.72/1,429,326.90 = 713,290.32/x
  3. Step 3: Cross multiply
    1,036,140.72x = 1,429,326.90 × 713,290.32
  4. Step 4: Simplify right side
    1,036,140.72x = 1,019,525,041,885.61
  5. Step 5: Solve for x
    x = 1,019,525,041,885.61/1,036,140.72
  6. Step 6: Final answer
    x = 983,963.88

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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.