Home / 404,897.10-607,345.65-272,186.70

Finding the Fourth Proportional to 404,897.10, 607,345.65 and 272,186.70

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Solution

The fourth proportional to 404,897.10, 607,345.65 and 272,186.70 is: 408,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,897.10 : 607,345.65 = 272,186.70 : x
  2. Step 2: Convert to fraction form
    404,897.10/607,345.65 = 272,186.70/x
  3. Step 3: Cross multiply
    404,897.10x = 607,345.65 × 272,186.70
  4. Step 4: Simplify right side
    404,897.10x = 165,311,408,232.86
  5. Step 5: Solve for x
    x = 165,311,408,232.86/404,897.10
  6. Step 6: Final answer
    x = 408,280.05

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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.