Home / 889,312.91-1,333,769.72-409,079.49

Finding the Fourth Proportional to 889,312.91, 1,333,769.72 and 409,079.49

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Solution

The fourth proportional to 889,312.91, 1,333,769.72 and 409,079.49 is: 613,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,312.91 : 1,333,769.72 = 409,079.49 : x
  2. Step 2: Convert to fraction form
    889,312.91/1,333,769.72 = 409,079.49/x
  3. Step 3: Cross multiply
    889,312.91x = 1,333,769.72 × 409,079.49
  4. Step 4: Simplify right side
    889,312.91x = 545,617,834,789.65
  5. Step 5: Solve for x
    x = 545,617,834,789.65/889,312.91
  6. Step 6: Final answer
    x = 613,527.40

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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.