Home / 943,452.81-1,301,925.78-513,731.91

Finding the Fourth Proportional to 943,452.81, 1,301,925.78 and 513,731.91

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Solution

The fourth proportional to 943,452.81, 1,301,925.78 and 513,731.91 is: 708,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,452.81 : 1,301,925.78 = 513,731.91 : x
  2. Step 2: Convert to fraction form
    943,452.81/1,301,925.78 = 513,731.91/x
  3. Step 3: Cross multiply
    943,452.81x = 1,301,925.78 × 513,731.91
  4. Step 4: Simplify right side
    943,452.81x = 668,840,817,637.64
  5. Step 5: Solve for x
    x = 668,840,817,637.64/943,452.81
  6. Step 6: Final answer
    x = 708,928.75

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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.