Home / 1,256,323.55-1,734,034.48-712,777.51

Finding the Fourth Proportional to 1,256,323.55, 1,734,034.48 and 712,777.51

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Solution

The fourth proportional to 1,256,323.55, 1,734,034.48 and 712,777.51 is: 983,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,323.55 : 1,734,034.48 = 712,777.51 : x
  2. Step 2: Convert to fraction form
    1,256,323.55/1,734,034.48 = 712,777.51/x
  3. Step 3: Cross multiply
    1,256,323.55x = 1,734,034.48 × 712,777.51
  4. Step 4: Simplify right side
    1,256,323.55x = 1,235,980,780,865.03
  5. Step 5: Solve for x
    x = 1,235,980,780,865.03/1,256,323.55
  6. Step 6: Final answer
    x = 983,807.70

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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.