Home / 866,441.04-1,299,107.95-416,266.22

Finding the Fourth Proportional to 866,441.04, 1,299,107.95 and 416,266.22

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Solution

The fourth proportional to 866,441.04, 1,299,107.95 and 416,266.22 is: 624,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,441.04 : 1,299,107.95 = 416,266.22 : x
  2. Step 2: Convert to fraction form
    866,441.04/1,299,107.95 = 416,266.22/x
  3. Step 3: Cross multiply
    866,441.04x = 1,299,107.95 × 416,266.22
  4. Step 4: Simplify right side
    866,441.04x = 540,774,748,182.24
  5. Step 5: Solve for x
    x = 540,774,748,182.24/866,441.04
  6. Step 6: Final answer
    x = 624,133.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.