Home / 1,443,154.84-2,164,859.70-378,192.76

Finding the Fourth Proportional to 1,443,154.84, 2,164,859.70 and 378,192.76

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Solution

The fourth proportional to 1,443,154.84, 2,164,859.70 and 378,192.76 is: 567,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,154.84 : 2,164,859.70 = 378,192.76 : x
  2. Step 2: Convert to fraction form
    1,443,154.84/2,164,859.70 = 378,192.76/x
  3. Step 3: Cross multiply
    1,443,154.84x = 2,164,859.70 × 378,192.76
  4. Step 4: Simplify right side
    1,443,154.84x = 818,734,264,955.77
  5. Step 5: Solve for x
    x = 818,734,264,955.77/1,443,154.84
  6. Step 6: Final answer
    x = 567,322.54

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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.