Home / 450,440.16-621,607.38-246,491.12

Finding the Fourth Proportional to 450,440.16, 621,607.38 and 246,491.12

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Solution

The fourth proportional to 450,440.16, 621,607.38 and 246,491.12 is: 340,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,440.16 : 621,607.38 = 246,491.12 : x
  2. Step 2: Convert to fraction form
    450,440.16/621,607.38 = 246,491.12/x
  3. Step 3: Cross multiply
    450,440.16x = 621,607.38 × 246,491.12
  4. Step 4: Simplify right side
    450,440.16x = 153,220,699,296.47
  5. Step 5: Solve for x
    x = 153,220,699,296.47/450,440.16
  6. Step 6: Final answer
    x = 340,157.72

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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.