Home / 942,464.10-1,300,606.19-512,747.31

Finding the Fourth Proportional to 942,464.10, 1,300,606.19 and 512,747.31

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Solution

The fourth proportional to 942,464.10, 1,300,606.19 and 512,747.31 is: 707,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,464.10 : 1,300,606.19 = 512,747.31 : x
  2. Step 2: Convert to fraction form
    942,464.10/1,300,606.19 = 512,747.31/x
  3. Step 3: Cross multiply
    942,464.10x = 1,300,606.19 × 512,747.31
  4. Step 4: Simplify right side
    942,464.10x = 666,882,322,728.11
  5. Step 5: Solve for x
    x = 666,882,322,728.11/942,464.10
  6. Step 6: Final answer
    x = 707,594.40

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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.