Home / 953,783.28-1,316,301.12-524,149.20

Finding the Fourth Proportional to 953,783.28, 1,316,301.12 and 524,149.20

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Solution

The fourth proportional to 953,783.28, 1,316,301.12 and 524,149.20 is: 723,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,783.28 : 1,316,301.12 = 524,149.20 : x
  2. Step 2: Convert to fraction form
    953,783.28/1,316,301.12 = 524,149.20/x
  3. Step 3: Cross multiply
    953,783.28x = 1,316,301.12 × 524,149.20
  4. Step 4: Simplify right side
    953,783.28x = 689,938,179,007.10
  5. Step 5: Solve for x
    x = 689,938,179,007.10/953,783.28
  6. Step 6: Final answer
    x = 723,369.97

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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.