Home / 841,222.72-1,160,953.60-478,661.84

Finding the Fourth Proportional to 841,222.72, 1,160,953.60 and 478,661.84

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Solution

The fourth proportional to 841,222.72, 1,160,953.60 and 478,661.84 is: 660,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,222.72 : 1,160,953.60 = 478,661.84 : x
  2. Step 2: Convert to fraction form
    841,222.72/1,160,953.60 = 478,661.84/x
  3. Step 3: Cross multiply
    841,222.72x = 1,160,953.60 × 478,661.84
  4. Step 4: Simplify right side
    841,222.72x = 555,704,186,330.62
  5. Step 5: Solve for x
    x = 555,704,186,330.62/841,222.72
  6. Step 6: Final answer
    x = 660,591.03

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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.