Home / 387,510.03-534,754.76-224,154.50

Finding the Fourth Proportional to 387,510.03, 534,754.76 and 224,154.50

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Solution

The fourth proportional to 387,510.03, 534,754.76 and 224,154.50 is: 309,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,510.03 : 534,754.76 = 224,154.50 : x
  2. Step 2: Convert to fraction form
    387,510.03/534,754.76 = 224,154.50/x
  3. Step 3: Cross multiply
    387,510.03x = 534,754.76 × 224,154.50
  4. Step 4: Simplify right side
    387,510.03x = 119,867,682,055.87
  5. Step 5: Solve for x
    x = 119,867,682,055.87/387,510.03
  6. Step 6: Final answer
    x = 309,327.95

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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.