Home / 983,040.91-1,475,134.54-414,387.19

Finding the Fourth Proportional to 983,040.91, 1,475,134.54 and 414,387.19

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Solution

The fourth proportional to 983,040.91, 1,475,134.54 and 414,387.19 is: 621,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,040.91 : 1,475,134.54 = 414,387.19 : x
  2. Step 2: Convert to fraction form
    983,040.91/1,475,134.54 = 414,387.19/x
  3. Step 3: Cross multiply
    983,040.91x = 1,475,134.54 × 414,387.19
  4. Step 4: Simplify right side
    983,040.91x = 611,276,857,710.49
  5. Step 5: Solve for x
    x = 611,276,857,710.49/983,040.91
  6. Step 6: Final answer
    x = 621,822.40

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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.