Home / 679,345.71-1,019,185.41-337,950.23

Finding the Fourth Proportional to 679,345.71, 1,019,185.41 and 337,950.23

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Solution

The fourth proportional to 679,345.71, 1,019,185.41 and 337,950.23 is: 507,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,345.71 : 1,019,185.41 = 337,950.23 : x
  2. Step 2: Convert to fraction form
    679,345.71/1,019,185.41 = 337,950.23/x
  3. Step 3: Cross multiply
    679,345.71x = 1,019,185.41 × 337,950.23
  4. Step 4: Simplify right side
    679,345.71x = 344,433,939,901.05
  5. Step 5: Solve for x
    x = 344,433,939,901.05/679,345.71
  6. Step 6: Final answer
    x = 507,008.34

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Double scale
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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.