Home / 991,980.34-1,369,059.50-584,120.14

Finding the Fourth Proportional to 991,980.34, 1,369,059.50 and 584,120.14

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Solution

The fourth proportional to 991,980.34, 1,369,059.50 and 584,120.14 is: 806,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,980.34 : 1,369,059.50 = 584,120.14 : x
  2. Step 2: Convert to fraction form
    991,980.34/1,369,059.50 = 584,120.14/x
  3. Step 3: Cross multiply
    991,980.34x = 1,369,059.50 × 584,120.14
  4. Step 4: Simplify right side
    991,980.34x = 799,695,226,808.33
  5. Step 5: Solve for x
    x = 799,695,226,808.33/991,980.34
  6. Step 6: Final answer
    x = 806,160.36

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1.5x scale

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.