Home / 698,190.09-963,543.32-525,803.73

Finding the Fourth Proportional to 698,190.09, 963,543.32 and 525,803.73

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Solution

The fourth proportional to 698,190.09, 963,543.32 and 525,803.73 is: 725,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,190.09 : 963,543.32 = 525,803.73 : x
  2. Step 2: Convert to fraction form
    698,190.09/963,543.32 = 525,803.73/x
  3. Step 3: Cross multiply
    698,190.09x = 963,543.32 × 525,803.73
  4. Step 4: Simplify right side
    698,190.09x = 506,634,671,672.58
  5. Step 5: Solve for x
    x = 506,634,671,672.58/698,190.09
  6. Step 6: Final answer
    x = 725,640.02

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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.