Home / 726,627.60-1,018,328.40-726,627.60

Finding the Fourth Proportional to 726,627.60, 1,018,328.40 and 726,627.60

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Solution

The fourth proportional to 726,627.60, 1,018,328.40 and 726,627.60 is: 1,018,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,627.60 : 1,018,328.40 = 726,627.60 : x
  2. Step 2: Convert to fraction form
    726,627.60/1,018,328.40 = 726,627.60/x
  3. Step 3: Cross multiply
    726,627.60x = 1,018,328.40 × 726,627.60
  4. Step 4: Simplify right side
    726,627.60x = 739,945,521,303.84
  5. Step 5: Solve for x
    x = 739,945,521,303.84/726,627.60
  6. Step 6: Final answer
    x = 1,018,328.40

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