Home / 983,731.68-1,357,546.37-554,011.70

Finding the Fourth Proportional to 983,731.68, 1,357,546.37 and 554,011.70

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Solution

The fourth proportional to 983,731.68, 1,357,546.37 and 554,011.70 is: 764,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,731.68 : 1,357,546.37 = 554,011.70 : x
  2. Step 2: Convert to fraction form
    983,731.68/1,357,546.37 = 554,011.70/x
  3. Step 3: Cross multiply
    983,731.68x = 1,357,546.37 × 554,011.70
  4. Step 4: Simplify right side
    983,731.68x = 752,096,562,714.74
  5. Step 5: Solve for x
    x = 752,096,562,714.74/983,731.68
  6. Step 6: Final answer
    x = 764,534.25

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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.