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Finding the Fourth Proportional to 1,024,975.20, 1,537,462.80 and 975,986.40

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Solution

The fourth proportional to 1,024,975.20, 1,537,462.80 and 975,986.40 is: 1,463,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,975.20 : 1,537,462.80 = 975,986.40 : x
  2. Step 2: Convert to fraction form
    1,024,975.20/1,537,462.80 = 975,986.40/x
  3. Step 3: Cross multiply
    1,024,975.20x = 1,537,462.80 × 975,986.40
  4. Step 4: Simplify right side
    1,024,975.20x = 1,500,542,783,305.92
  5. Step 5: Solve for x
    x = 1,500,542,783,305.92/1,024,975.20
  6. Step 6: Final answer
    x = 1,463,979.60

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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.