Home / 1,237,499.40-1,856,421.90-527,521.80

Finding the Fourth Proportional to 1,237,499.40, 1,856,421.90 and 527,521.80

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Solution

The fourth proportional to 1,237,499.40, 1,856,421.90 and 527,521.80 is: 791,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,499.40 : 1,856,421.90 = 527,521.80 : x
  2. Step 2: Convert to fraction form
    1,237,499.40/1,856,421.90 = 527,521.80/x
  3. Step 3: Cross multiply
    1,237,499.40x = 1,856,421.90 × 527,521.80
  4. Step 4: Simplify right side
    1,237,499.40x = 979,303,022,247.42
  5. Step 5: Solve for x
    x = 979,303,022,247.42/1,237,499.40
  6. Step 6: Final answer
    x = 791,356.36

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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.