Home / 698,982.38-964,363.66-569,698.79

Finding the Fourth Proportional to 698,982.38, 964,363.66 and 569,698.79

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Solution

The fourth proportional to 698,982.38, 964,363.66 and 569,698.79 is: 785,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,982.38 : 964,363.66 = 569,698.79 : x
  2. Step 2: Convert to fraction form
    698,982.38/964,363.66 = 569,698.79/x
  3. Step 3: Cross multiply
    698,982.38x = 964,363.66 × 569,698.79
  4. Step 4: Simplify right side
    698,982.38x = 549,396,803,975.91
  5. Step 5: Solve for x
    x = 549,396,803,975.91/698,982.38
  6. Step 6: Final answer
    x = 785,995.21

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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.