Home / 434,415.72-599,518.26-243,490.68

Finding the Fourth Proportional to 434,415.72, 599,518.26 and 243,490.68

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Solution

The fourth proportional to 434,415.72, 599,518.26 and 243,490.68 is: 336,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,415.72 : 599,518.26 = 243,490.68 : x
  2. Step 2: Convert to fraction form
    434,415.72/599,518.26 = 243,490.68/x
  3. Step 3: Cross multiply
    434,415.72x = 599,518.26 × 243,490.68
  4. Step 4: Simplify right side
    434,415.72x = 145,977,108,799.82
  5. Step 5: Solve for x
    x = 145,977,108,799.82/434,415.72
  6. Step 6: Final answer
    x = 336,030.91

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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.