Home / 869,501.14-1,199,923.82-525,289.21

Finding the Fourth Proportional to 869,501.14, 1,199,923.82 and 525,289.21

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Solution

The fourth proportional to 869,501.14, 1,199,923.82 and 525,289.21 is: 724,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,501.14 : 1,199,923.82 = 525,289.21 : x
  2. Step 2: Convert to fraction form
    869,501.14/1,199,923.82 = 525,289.21/x
  3. Step 3: Cross multiply
    869,501.14x = 1,199,923.82 × 525,289.21
  4. Step 4: Simplify right side
    869,501.14x = 630,307,032,841.54
  5. Step 5: Solve for x
    x = 630,307,032,841.54/869,501.14
  6. Step 6: Final answer
    x = 724,906.51

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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.