Home / 1,173,090.06-1,618,898.40-663,781.50

Finding the Fourth Proportional to 1,173,090.06, 1,618,898.40 and 663,781.50

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Solution

The fourth proportional to 1,173,090.06, 1,618,898.40 and 663,781.50 is: 916,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,090.06 : 1,618,898.40 = 663,781.50 : x
  2. Step 2: Convert to fraction form
    1,173,090.06/1,618,898.40 = 663,781.50/x
  3. Step 3: Cross multiply
    1,173,090.06x = 1,618,898.40 × 663,781.50
  4. Step 4: Simplify right side
    1,173,090.06x = 1,074,594,808,299.60
  5. Step 5: Solve for x
    x = 1,074,594,808,299.60/1,173,090.06
  6. Step 6: Final answer
    x = 916,037.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.