Home / 1,111,285.28-1,533,498-627,870.80

Finding the Fourth Proportional to 1,111,285.28, 1,533,498 and 627,870.80

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Solution

The fourth proportional to 1,111,285.28, 1,533,498 and 627,870.80 is: 866,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,285.28 : 1,533,498 = 627,870.80 : x
  2. Step 2: Convert to fraction form
    1,111,285.28/1,533,498 = 627,870.80/x
  3. Step 3: Cross multiply
    1,111,285.28x = 1,533,498 × 627,870.80
  4. Step 4: Simplify right side
    1,111,285.28x = 962,838,616,058.40
  5. Step 5: Solve for x
    x = 962,838,616,058.40/1,111,285.28
  6. Step 6: Final answer
    x = 866,418.94

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Double scale
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Similar ratio
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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.