Home / 953,333.16-1,315,616.10-523,631.40

Finding the Fourth Proportional to 953,333.16, 1,315,616.10 and 523,631.40

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Solution

The fourth proportional to 953,333.16, 1,315,616.10 and 523,631.40 is: 722,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,333.16 : 1,315,616.10 = 523,631.40 : x
  2. Step 2: Convert to fraction form
    953,333.16/1,315,616.10 = 523,631.40/x
  3. Step 3: Cross multiply
    953,333.16x = 1,315,616.10 × 523,631.40
  4. Step 4: Simplify right side
    953,333.16x = 688,897,900,305.54
  5. Step 5: Solve for x
    x = 688,897,900,305.54/953,333.16
  6. Step 6: Final answer
    x = 722,620.31

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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.