Home / 903,023.20-1,246,228.01-500,615.20

Finding the Fourth Proportional to 903,023.20, 1,246,228.01 and 500,615.20

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Solution

The fourth proportional to 903,023.20, 1,246,228.01 and 500,615.20 is: 690,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,023.20 : 1,246,228.01 = 500,615.20 : x
  2. Step 2: Convert to fraction form
    903,023.20/1,246,228.01 = 500,615.20/x
  3. Step 3: Cross multiply
    903,023.20x = 1,246,228.01 × 500,615.20
  4. Step 4: Simplify right side
    903,023.20x = 623,880,685,084.25
  5. Step 5: Solve for x
    x = 623,880,685,084.25/903,023.20
  6. Step 6: Final answer
    x = 690,880.02

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1.5x scale

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.