Home / 770,445.82-1,063,209.45-430,914.07

Finding the Fourth Proportional to 770,445.82, 1,063,209.45 and 430,914.07

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Solution

The fourth proportional to 770,445.82, 1,063,209.45 and 430,914.07 is: 594,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,445.82 : 1,063,209.45 = 430,914.07 : x
  2. Step 2: Convert to fraction form
    770,445.82/1,063,209.45 = 430,914.07/x
  3. Step 3: Cross multiply
    770,445.82x = 1,063,209.45 × 430,914.07
  4. Step 4: Simplify right side
    770,445.82x = 458,151,911,361.96
  5. Step 5: Solve for x
    x = 458,151,911,361.96/770,445.82
  6. Step 6: Final answer
    x = 594,658.18

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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.