Home / 988,586.40-1,482,879.60-584,428.80

Finding the Fourth Proportional to 988,586.40, 1,482,879.60 and 584,428.80

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Solution

The fourth proportional to 988,586.40, 1,482,879.60 and 584,428.80 is: 876,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,586.40 : 1,482,879.60 = 584,428.80 : x
  2. Step 2: Convert to fraction form
    988,586.40/1,482,879.60 = 584,428.80/x
  3. Step 3: Cross multiply
    988,586.40x = 1,482,879.60 × 584,428.80
  4. Step 4: Simplify right side
    988,586.40x = 866,637,545,172.48
  5. Step 5: Solve for x
    x = 866,637,545,172.48/988,586.40
  6. Step 6: Final answer
    x = 876,643.20

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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.