Home / 1,330,503.90-1,992,803.40-1,153,356.90

Finding the Fourth Proportional to 1,330,503.90, 1,992,803.40 and 1,153,356.90

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Solution

The fourth proportional to 1,330,503.90, 1,992,803.40 and 1,153,356.90 is: 1,727,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,503.90 : 1,992,803.40 = 1,153,356.90 : x
  2. Step 2: Convert to fraction form
    1,330,503.90/1,992,803.40 = 1,153,356.90/x
  3. Step 3: Cross multiply
    1,330,503.90x = 1,992,803.40 × 1,153,356.90
  4. Step 4: Simplify right side
    1,330,503.90x = 2,298,413,551,733.46
  5. Step 5: Solve for x
    x = 2,298,413,551,733.46/1,330,503.90
  6. Step 6: Final answer
    x = 1,727,476.00

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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.