Home / 869,403.10-1,303,497.15-514,234.30

Finding the Fourth Proportional to 869,403.10, 1,303,497.15 and 514,234.30

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Solution

The fourth proportional to 869,403.10, 1,303,497.15 and 514,234.30 is: 770,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,403.10 : 1,303,497.15 = 514,234.30 : x
  2. Step 2: Convert to fraction form
    869,403.10/1,303,497.15 = 514,234.30/x
  3. Step 3: Cross multiply
    869,403.10x = 1,303,497.15 × 514,234.30
  4. Step 4: Simplify right side
    869,403.10x = 670,302,944,482.25
  5. Step 5: Solve for x
    x = 670,302,944,482.25/869,403.10
  6. Step 6: Final answer
    x = 770,992.13

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Double scale
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Similar ratio
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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.