Home / 525,913.17-788,869.72-126,553.98

Finding the Fourth Proportional to 525,913.17, 788,869.72 and 126,553.98

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Solution

The fourth proportional to 525,913.17, 788,869.72 and 126,553.98 is: 189,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,913.17 : 788,869.72 = 126,553.98 : x
  2. Step 2: Convert to fraction form
    525,913.17/788,869.72 = 126,553.98/x
  3. Step 3: Cross multiply
    525,913.17x = 788,869.72 × 126,553.98
  4. Step 4: Simplify right side
    525,913.17x = 99,834,605,172.07
  5. Step 5: Solve for x
    x = 99,834,605,172.07/525,913.17
  6. Step 6: Final answer
    x = 189,830.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.