Home / 434,700.18-599,944.05-253,415.70

Finding the Fourth Proportional to 434,700.18, 599,944.05 and 253,415.70

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Solution

The fourth proportional to 434,700.18, 599,944.05 and 253,415.70 is: 349,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,700.18 : 599,944.05 = 253,415.70 : x
  2. Step 2: Convert to fraction form
    434,700.18/599,944.05 = 253,415.70/x
  3. Step 3: Cross multiply
    434,700.18x = 599,944.05 × 253,415.70
  4. Step 4: Simplify right side
    434,700.18x = 152,035,241,391.59
  5. Step 5: Solve for x
    x = 152,035,241,391.59/434,700.18
  6. Step 6: Final answer
    x = 349,747.36

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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.