Home / 984,345.32-1,358,521.80-554,731.04

Finding the Fourth Proportional to 984,345.32, 1,358,521.80 and 554,731.04

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Solution

The fourth proportional to 984,345.32, 1,358,521.80 and 554,731.04 is: 765,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,345.32 : 1,358,521.80 = 554,731.04 : x
  2. Step 2: Convert to fraction form
    984,345.32/1,358,521.80 = 554,731.04/x
  3. Step 3: Cross multiply
    984,345.32x = 1,358,521.80 × 554,731.04
  4. Step 4: Simplify right side
    984,345.32x = 753,614,210,976.67
  5. Step 5: Solve for x
    x = 753,614,210,976.67/984,345.32
  6. Step 6: Final answer
    x = 765,599.42

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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.