Home / 1,235,151.40-1,852,899.90-525,173.80

Finding the Fourth Proportional to 1,235,151.40, 1,852,899.90 and 525,173.80

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Solution

The fourth proportional to 1,235,151.40, 1,852,899.90 and 525,173.80 is: 787,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,151.40 : 1,852,899.90 = 525,173.80 : x
  2. Step 2: Convert to fraction form
    1,235,151.40/1,852,899.90 = 525,173.80/x
  3. Step 3: Cross multiply
    1,235,151.40x = 1,852,899.90 × 525,173.80
  4. Step 4: Simplify right side
    1,235,151.40x = 973,094,481,502.62
  5. Step 5: Solve for x
    x = 973,094,481,502.62/1,235,151.40
  6. Step 6: Final answer
    x = 787,834.17

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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.