Home / 958,813.57-1,437,377.88-390,672.42

Finding the Fourth Proportional to 958,813.57, 1,437,377.88 and 390,672.42

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Solution

The fourth proportional to 958,813.57, 1,437,377.88 and 390,672.42 is: 585,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,813.57 : 1,437,377.88 = 390,672.42 : x
  2. Step 2: Convert to fraction form
    958,813.57/1,437,377.88 = 390,672.42/x
  3. Step 3: Cross multiply
    958,813.57x = 1,437,377.88 × 390,672.42
  4. Step 4: Simplify right side
    958,813.57x = 561,543,894,834.07
  5. Step 5: Solve for x
    x = 561,543,894,834.07/958,813.57
  6. Step 6: Final answer
    x = 585,665.36

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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.