Home / 953,659.84-1,315,996.08-523,931.40

Finding the Fourth Proportional to 953,659.84, 1,315,996.08 and 523,931.40

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Solution

The fourth proportional to 953,659.84, 1,315,996.08 and 523,931.40 is: 722,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,659.84 : 1,315,996.08 = 523,931.40 : x
  2. Step 2: Convert to fraction form
    953,659.84/1,315,996.08 = 523,931.40/x
  3. Step 3: Cross multiply
    953,659.84x = 1,315,996.08 × 523,931.40
  4. Step 4: Simplify right side
    953,659.84x = 689,491,668,588.91
  5. Step 5: Solve for x
    x = 689,491,668,588.91/953,659.84
  6. Step 6: Final answer
    x = 722,995.39

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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.