Home / 711,358.66-981,615.35-401,244.11

Finding the Fourth Proportional to 711,358.66, 981,615.35 and 401,244.11

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Solution

The fourth proportional to 711,358.66, 981,615.35 and 401,244.11 is: 553,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,358.66 : 981,615.35 = 401,244.11 : x
  2. Step 2: Convert to fraction form
    711,358.66/981,615.35 = 401,244.11/x
  3. Step 3: Cross multiply
    711,358.66x = 981,615.35 × 401,244.11
  4. Step 4: Simplify right side
    711,358.66x = 393,867,381,642.27
  5. Step 5: Solve for x
    x = 393,867,381,642.27/711,358.66
  6. Step 6: Final answer
    x = 553,683.26

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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.