Home / 328,647.02-453,411.35-242,812.74

Finding the Fourth Proportional to 328,647.02, 453,411.35 and 242,812.74

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Solution

The fourth proportional to 328,647.02, 453,411.35 and 242,812.74 is: 334,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,647.02 : 453,411.35 = 242,812.74 : x
  2. Step 2: Convert to fraction form
    328,647.02/453,411.35 = 242,812.74/x
  3. Step 3: Cross multiply
    328,647.02x = 453,411.35 × 242,812.74
  4. Step 4: Simplify right side
    328,647.02x = 110,094,050,404.03
  5. Step 5: Solve for x
    x = 110,094,050,404.03/328,647.02
  6. Step 6: Final answer
    x = 334,991.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.