Home / 1,118,974.01-1,678,459.47-519,607.41

Finding the Fourth Proportional to 1,118,974.01, 1,678,459.47 and 519,607.41

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Solution

The fourth proportional to 1,118,974.01, 1,678,459.47 and 519,607.41 is: 779,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,974.01 : 1,678,459.47 = 519,607.41 : x
  2. Step 2: Convert to fraction form
    1,118,974.01/1,678,459.47 = 519,607.41/x
  3. Step 3: Cross multiply
    1,118,974.01x = 1,678,459.47 × 519,607.41
  4. Step 4: Simplify right side
    1,118,974.01x = 872,139,977,996.67
  5. Step 5: Solve for x
    x = 872,139,977,996.67/1,118,974.01
  6. Step 6: Final answer
    x = 779,410.40

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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.