Home / 841,223.72-1,160,954.98-478,662.84

Finding the Fourth Proportional to 841,223.72, 1,160,954.98 and 478,662.84

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Solution

The fourth proportional to 841,223.72, 1,160,954.98 and 478,662.84 is: 660,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,223.72 : 1,160,954.98 = 478,662.84 : x
  2. Step 2: Convert to fraction form
    841,223.72/1,160,954.98 = 478,662.84/x
  3. Step 3: Cross multiply
    841,223.72x = 1,160,954.98 × 478,662.84
  4. Step 4: Simplify right side
    841,223.72x = 555,706,007,838.94
  5. Step 5: Solve for x
    x = 555,706,007,838.94/841,223.72
  6. Step 6: Final answer
    x = 660,592.41

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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.