Home / 977,830.20-1,463,246.10-893,849.40

Finding the Fourth Proportional to 977,830.20, 1,463,246.10 and 893,849.40

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Solution

The fourth proportional to 977,830.20, 1,463,246.10 and 893,849.40 is: 1,337,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,830.20 : 1,463,246.10 = 893,849.40 : x
  2. Step 2: Convert to fraction form
    977,830.20/1,463,246.10 = 893,849.40/x
  3. Step 3: Cross multiply
    977,830.20x = 1,463,246.10 × 893,849.40
  4. Step 4: Simplify right side
    977,830.20x = 1,307,921,648,537.34
  5. Step 5: Solve for x
    x = 1,307,921,648,537.34/977,830.20
  6. Step 6: Final answer
    x = 1,337,575.43

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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.