Home / 1,640,337.48-2,460,506.22-518,319

Finding the Fourth Proportional to 1,640,337.48, 2,460,506.22 and 518,319

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Solution

The fourth proportional to 1,640,337.48, 2,460,506.22 and 518,319 is: 777,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,337.48 : 2,460,506.22 = 518,319 : x
  2. Step 2: Convert to fraction form
    1,640,337.48/2,460,506.22 = 518,319/x
  3. Step 3: Cross multiply
    1,640,337.48x = 2,460,506.22 × 518,319
  4. Step 4: Simplify right side
    1,640,337.48x = 1,275,327,123,444.18
  5. Step 5: Solve for x
    x = 1,275,327,123,444.18/1,640,337.48
  6. Step 6: Final answer
    x = 777,478.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.