Home / 447,017.74-616,875.70-243,066.93

Finding the Fourth Proportional to 447,017.74, 616,875.70 and 243,066.93

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Solution

The fourth proportional to 447,017.74, 616,875.70 and 243,066.93 is: 335,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,017.74 : 616,875.70 = 243,066.93 : x
  2. Step 2: Convert to fraction form
    447,017.74/616,875.70 = 243,066.93/x
  3. Step 3: Cross multiply
    447,017.74x = 616,875.70 × 243,066.93
  4. Step 4: Simplify right side
    447,017.74x = 149,942,080,125.40
  5. Step 5: Solve for x
    x = 149,942,080,125.40/447,017.74
  6. Step 6: Final answer
    x = 335,427.58

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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.