Home / 770,220.40-1,062,953.18-430,688.56

Finding the Fourth Proportional to 770,220.40, 1,062,953.18 and 430,688.56

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Solution

The fourth proportional to 770,220.40, 1,062,953.18 and 430,688.56 is: 594,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,220.40 : 1,062,953.18 = 430,688.56 : x
  2. Step 2: Convert to fraction form
    770,220.40/1,062,953.18 = 430,688.56/x
  3. Step 3: Cross multiply
    770,220.40x = 1,062,953.18 × 430,688.56
  4. Step 4: Simplify right side
    770,220.40x = 457,801,774,441.62
  5. Step 5: Solve for x
    x = 457,801,774,441.62/770,220.40
  6. Step 6: Final answer
    x = 594,377.63

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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.