Home / 932,621.54-1,287,064.98-550,640.12

Finding the Fourth Proportional to 932,621.54, 1,287,064.98 and 550,640.12

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Solution

The fourth proportional to 932,621.54, 1,287,064.98 and 550,640.12 is: 759,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,621.54 : 1,287,064.98 = 550,640.12 : x
  2. Step 2: Convert to fraction form
    932,621.54/1,287,064.98 = 550,640.12/x
  3. Step 3: Cross multiply
    932,621.54x = 1,287,064.98 × 550,640.12
  4. Step 4: Simplify right side
    932,621.54x = 708,709,608,599.67
  5. Step 5: Solve for x
    x = 708,709,608,599.67/932,621.54
  6. Step 6: Final answer
    x = 759,911.26

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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.