Home / 817,267.78-1,127,190.49-530,880.13

Finding the Fourth Proportional to 817,267.78, 1,127,190.49 and 530,880.13

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Solution

The fourth proportional to 817,267.78, 1,127,190.49 and 530,880.13 is: 732,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,267.78 : 1,127,190.49 = 530,880.13 : x
  2. Step 2: Convert to fraction form
    817,267.78/1,127,190.49 = 530,880.13/x
  3. Step 3: Cross multiply
    817,267.78x = 1,127,190.49 × 530,880.13
  4. Step 4: Simplify right side
    817,267.78x = 598,403,033,865.96
  5. Step 5: Solve for x
    x = 598,403,033,865.96/817,267.78
  6. Step 6: Final answer
    x = 732,199.47

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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.