Home / 953,214.96-1,315,436.40-523,495.20

Finding the Fourth Proportional to 953,214.96, 1,315,436.40 and 523,495.20

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Solution

The fourth proportional to 953,214.96, 1,315,436.40 and 523,495.20 is: 722,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,214.96 : 1,315,436.40 = 523,495.20 : x
  2. Step 2: Convert to fraction form
    953,214.96/1,315,436.40 = 523,495.20/x
  3. Step 3: Cross multiply
    953,214.96x = 1,315,436.40 × 523,495.20
  4. Step 4: Simplify right side
    953,214.96x = 688,624,641,305.28
  5. Step 5: Solve for x
    x = 688,624,641,305.28/953,214.96
  6. Step 6: Final answer
    x = 722,423.24

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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.