Home / 953,653.32-1,316,064.78-523,961.28

Finding the Fourth Proportional to 953,653.32, 1,316,064.78 and 523,961.28

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Solution

The fourth proportional to 953,653.32, 1,316,064.78 and 523,961.28 is: 723,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,653.32 : 1,316,064.78 = 523,961.28 : x
  2. Step 2: Convert to fraction form
    953,653.32/1,316,064.78 = 523,961.28/x
  3. Step 3: Cross multiply
    953,653.32x = 1,316,064.78 × 523,961.28
  4. Step 4: Simplify right side
    953,653.32x = 689,566,986,691.72
  5. Step 5: Solve for x
    x = 689,566,986,691.72/953,653.32
  6. Step 6: Final answer
    x = 723,079.31

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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.