Home / 443,315.75-611,775.74-242,111.75

Finding the Fourth Proportional to 443,315.75, 611,775.74 and 242,111.75

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Solution

The fourth proportional to 443,315.75, 611,775.74 and 242,111.75 is: 334,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,315.75 : 611,775.74 = 242,111.75 : x
  2. Step 2: Convert to fraction form
    443,315.75/611,775.74 = 242,111.75/x
  3. Step 3: Cross multiply
    443,315.75x = 611,775.74 × 242,111.75
  4. Step 4: Simplify right side
    443,315.75x = 148,118,095,018.95
  5. Step 5: Solve for x
    x = 148,118,095,018.95/443,315.75
  6. Step 6: Final answer
    x = 334,114.22

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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.