Home / 706,456.27-974,880.22-400,553.35

Finding the Fourth Proportional to 706,456.27, 974,880.22 and 400,553.35

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Solution

The fourth proportional to 706,456.27, 974,880.22 and 400,553.35 is: 552,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,456.27 : 974,880.22 = 400,553.35 : x
  2. Step 2: Convert to fraction form
    706,456.27/974,880.22 = 400,553.35/x
  3. Step 3: Cross multiply
    706,456.27x = 974,880.22 × 400,553.35
  4. Step 4: Simplify right side
    706,456.27x = 390,491,536,968.35
  5. Step 5: Solve for x
    x = 390,491,536,968.35/706,456.27
  6. Step 6: Final answer
    x = 552,746.93

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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.