Home / 691,587.35-954,394.70-385,683.06

Finding the Fourth Proportional to 691,587.35, 954,394.70 and 385,683.06

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Solution

The fourth proportional to 691,587.35, 954,394.70 and 385,683.06 is: 532,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,587.35 : 954,394.70 = 385,683.06 : x
  2. Step 2: Convert to fraction form
    691,587.35/954,394.70 = 385,683.06/x
  3. Step 3: Cross multiply
    691,587.35x = 954,394.70 × 385,683.06
  4. Step 4: Simplify right side
    691,587.35x = 368,093,866,415.37
  5. Step 5: Solve for x
    x = 368,093,866,415.37/691,587.35
  6. Step 6: Final answer
    x = 532,244.94

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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.