Home / 1,235,189.40-1,852,956.90-525,211.80

Finding the Fourth Proportional to 1,235,189.40, 1,852,956.90 and 525,211.80

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Solution

The fourth proportional to 1,235,189.40, 1,852,956.90 and 525,211.80 is: 787,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,189.40 : 1,852,956.90 = 525,211.80 : x
  2. Step 2: Convert to fraction form
    1,235,189.40/1,852,956.90 = 525,211.80/x
  3. Step 3: Cross multiply
    1,235,189.40x = 1,852,956.90 × 525,211.80
  4. Step 4: Simplify right side
    1,235,189.40x = 973,194,828,771.42
  5. Step 5: Solve for x
    x = 973,194,828,771.42/1,235,189.40
  6. Step 6: Final answer
    x = 787,891.18

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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.