Home / 736,801.64-1,015,396.50-645,563.24

Finding the Fourth Proportional to 736,801.64, 1,015,396.50 and 645,563.24

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Solution

The fourth proportional to 736,801.64, 1,015,396.50 and 645,563.24 is: 889,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,801.64 : 1,015,396.50 = 645,563.24 : x
  2. Step 2: Convert to fraction form
    736,801.64/1,015,396.50 = 645,563.24/x
  3. Step 3: Cross multiply
    736,801.64x = 1,015,396.50 × 645,563.24
  4. Step 4: Simplify right side
    736,801.64x = 655,502,654,424.66
  5. Step 5: Solve for x
    x = 655,502,654,424.66/736,801.64
  6. Step 6: Final answer
    x = 889,659.60

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Double scale
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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.