Home / 1,436,038.74-2,154,373.10-425,239.54

Finding the Fourth Proportional to 1,436,038.74, 2,154,373.10 and 425,239.54

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Solution

The fourth proportional to 1,436,038.74, 2,154,373.10 and 425,239.54 is: 637,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,038.74 : 2,154,373.10 = 425,239.54 : x
  2. Step 2: Convert to fraction form
    1,436,038.74/2,154,373.10 = 425,239.54/x
  3. Step 3: Cross multiply
    1,436,038.74x = 2,154,373.10 × 425,239.54
  4. Step 4: Simplify right side
    1,436,038.74x = 916,124,620,114.89
  5. Step 5: Solve for x
    x = 916,124,620,114.89/1,436,038.74
  6. Step 6: Final answer
    x = 637,952.58

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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.