Home / 953,109.36-1,315,300.02-523,398.48

Finding the Fourth Proportional to 953,109.36, 1,315,300.02 and 523,398.48

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Solution

The fourth proportional to 953,109.36, 1,315,300.02 and 523,398.48 is: 722,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,109.36 : 1,315,300.02 = 523,398.48 : x
  2. Step 2: Convert to fraction form
    953,109.36/1,315,300.02 = 523,398.48/x
  3. Step 3: Cross multiply
    953,109.36x = 1,315,300.02 × 523,398.48
  4. Step 4: Simplify right side
    953,109.36x = 688,426,031,211.97
  5. Step 5: Solve for x
    x = 688,426,031,211.97/953,109.36
  6. Step 6: Final answer
    x = 722,294.90

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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.