Home / 770,594.49-1,063,404.48-426,430.20

Finding the Fourth Proportional to 770,594.49, 1,063,404.48 and 426,430.20

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Solution

The fourth proportional to 770,594.49, 1,063,404.48 and 426,430.20 is: 588,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,594.49 : 1,063,404.48 = 426,430.20 : x
  2. Step 2: Convert to fraction form
    770,594.49/1,063,404.48 = 426,430.20/x
  3. Step 3: Cross multiply
    770,594.49x = 1,063,404.48 × 426,430.20
  4. Step 4: Simplify right side
    770,594.49x = 453,467,785,087.30
  5. Step 5: Solve for x
    x = 453,467,785,087.30/770,594.49
  6. Step 6: Final answer
    x = 588,464.87

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Double scale
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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.