Home / 929,996.80-1,392,230.40-614,809.60

Finding the Fourth Proportional to 929,996.80, 1,392,230.40 and 614,809.60

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Solution

The fourth proportional to 929,996.80, 1,392,230.40 and 614,809.60 is: 920,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,996.80 : 1,392,230.40 = 614,809.60 : x
  2. Step 2: Convert to fraction form
    929,996.80/1,392,230.40 = 614,809.60/x
  3. Step 3: Cross multiply
    929,996.80x = 1,392,230.40 × 614,809.60
  4. Step 4: Simplify right side
    929,996.80x = 855,956,615,331.84
  5. Step 5: Solve for x
    x = 855,956,615,331.84/929,996.80
  6. Step 6: Final answer
    x = 920,386.62

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1.5x scale

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.