Home / 930,276.80-1,283,921.80-567,911.16

Finding the Fourth Proportional to 930,276.80, 1,283,921.80 and 567,911.16

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Solution

The fourth proportional to 930,276.80, 1,283,921.80 and 567,911.16 is: 783,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,276.80 : 1,283,921.80 = 567,911.16 : x
  2. Step 2: Convert to fraction form
    930,276.80/1,283,921.80 = 567,911.16/x
  3. Step 3: Cross multiply
    930,276.80x = 1,283,921.80 × 567,911.16
  4. Step 4: Simplify right side
    930,276.80x = 729,153,518,787.29
  5. Step 5: Solve for x
    x = 729,153,518,787.29/930,276.80
  6. Step 6: Final answer
    x = 783,802.76

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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.