Home / 786,514.72-1,085,359.05-464,328.60

Finding the Fourth Proportional to 786,514.72, 1,085,359.05 and 464,328.60

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Solution

The fourth proportional to 786,514.72, 1,085,359.05 and 464,328.60 is: 640,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,514.72 : 1,085,359.05 = 464,328.60 : x
  2. Step 2: Convert to fraction form
    786,514.72/1,085,359.05 = 464,328.60/x
  3. Step 3: Cross multiply
    786,514.72x = 1,085,359.05 × 464,328.60
  4. Step 4: Simplify right side
    786,514.72x = 503,963,248,183.83
  5. Step 5: Solve for x
    x = 503,963,248,183.83/786,514.72
  6. Step 6: Final answer
    x = 640,755.01

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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.