Home / 434,072.98-598,987.47-243,060.40

Finding the Fourth Proportional to 434,072.98, 598,987.47 and 243,060.40

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Solution

The fourth proportional to 434,072.98, 598,987.47 and 243,060.40 is: 335,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,072.98 : 598,987.47 = 243,060.40 : x
  2. Step 2: Convert to fraction form
    434,072.98/598,987.47 = 243,060.40/x
  3. Step 3: Cross multiply
    434,072.98x = 598,987.47 × 243,060.40
  4. Step 4: Simplify right side
    434,072.98x = 145,590,134,053.19
  5. Step 5: Solve for x
    x = 145,590,134,053.19/434,072.98
  6. Step 6: Final answer
    x = 335,404.74

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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.