Home / 1,077,040.72-1,486,316.28-624,594.16

Finding the Fourth Proportional to 1,077,040.72, 1,486,316.28 and 624,594.16

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Solution

The fourth proportional to 1,077,040.72, 1,486,316.28 and 624,594.16 is: 861,939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,040.72 : 1,486,316.28 = 624,594.16 : x
  2. Step 2: Convert to fraction form
    1,077,040.72/1,486,316.28 = 624,594.16/x
  3. Step 3: Cross multiply
    1,077,040.72x = 1,486,316.28 × 624,594.16
  4. Step 4: Simplify right side
    1,077,040.72x = 928,344,468,400.93
  5. Step 5: Solve for x
    x = 928,344,468,400.93/1,077,040.72
  6. Step 6: Final answer
    x = 861,939.99

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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.