Home / 679,115.80-1,018,673.70-605,632.60

Finding the Fourth Proportional to 679,115.80, 1,018,673.70 and 605,632.60

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Solution

The fourth proportional to 679,115.80, 1,018,673.70 and 605,632.60 is: 908,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,115.80 : 1,018,673.70 = 605,632.60 : x
  2. Step 2: Convert to fraction form
    679,115.80/1,018,673.70 = 605,632.60/x
  3. Step 3: Cross multiply
    679,115.80x = 1,018,673.70 × 605,632.60
  4. Step 4: Simplify right side
    679,115.80x = 616,942,001,482.62
  5. Step 5: Solve for x
    x = 616,942,001,482.62/679,115.80
  6. Step 6: Final answer
    x = 908,448.90

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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.