Home / 859,476.28-1,186,007.74-496,923.40

Finding the Fourth Proportional to 859,476.28, 1,186,007.74 and 496,923.40

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Solution

The fourth proportional to 859,476.28, 1,186,007.74 and 496,923.40 is: 685,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,476.28 : 1,186,007.74 = 496,923.40 : x
  2. Step 2: Convert to fraction form
    859,476.28/1,186,007.74 = 496,923.40/x
  3. Step 3: Cross multiply
    859,476.28x = 1,186,007.74 × 496,923.40
  4. Step 4: Simplify right side
    859,476.28x = 589,354,998,587.12
  5. Step 5: Solve for x
    x = 589,354,998,587.12/859,476.28
  6. Step 6: Final answer
    x = 685,714.09

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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.