Home / 403,743.10-605,614.65-366,345.40

Finding the Fourth Proportional to 403,743.10, 605,614.65 and 366,345.40

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Solution

The fourth proportional to 403,743.10, 605,614.65 and 366,345.40 is: 549,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,743.10 : 605,614.65 = 366,345.40 : x
  2. Step 2: Convert to fraction form
    403,743.10/605,614.65 = 366,345.40/x
  3. Step 3: Cross multiply
    403,743.10x = 605,614.65 × 366,345.40
  4. Step 4: Simplify right side
    403,743.10x = 221,864,141,200.11
  5. Step 5: Solve for x
    x = 221,864,141,200.11/403,743.10
  6. Step 6: Final answer
    x = 549,518.10

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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.