Home / 910,542.60-1,365,813.90-611,944.20

Finding the Fourth Proportional to 910,542.60, 1,365,813.90 and 611,944.20

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Solution

The fourth proportional to 910,542.60, 1,365,813.90 and 611,944.20 is: 917,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,542.60 : 1,365,813.90 = 611,944.20 : x
  2. Step 2: Convert to fraction form
    910,542.60/1,365,813.90 = 611,944.20/x
  3. Step 3: Cross multiply
    910,542.60x = 1,365,813.90 × 611,944.20
  4. Step 4: Simplify right side
    910,542.60x = 835,801,894,384.38
  5. Step 5: Solve for x
    x = 835,801,894,384.38/910,542.60
  6. Step 6: Final answer
    x = 917,916.30

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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.