Home / 984,265.32-1,358,235.90-554,570.86

Finding the Fourth Proportional to 984,265.32, 1,358,235.90 and 554,570.86

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Solution

The fourth proportional to 984,265.32, 1,358,235.90 and 554,570.86 is: 765,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,265.32 : 1,358,235.90 = 554,570.86 : x
  2. Step 2: Convert to fraction form
    984,265.32/1,358,235.90 = 554,570.86/x
  3. Step 3: Cross multiply
    984,265.32x = 1,358,235.90 × 554,570.86
  4. Step 4: Simplify right side
    984,265.32x = 753,238,051,145.87
  5. Step 5: Solve for x
    x = 753,238,051,145.87/984,265.32
  6. Step 6: Final answer
    x = 765,279.48

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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.