Home / 822,312.81-1,233,425.07-261,303.57

Finding the Fourth Proportional to 822,312.81, 1,233,425.07 and 261,303.57

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Solution

The fourth proportional to 822,312.81, 1,233,425.07 and 261,303.57 is: 391,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,312.81 : 1,233,425.07 = 261,303.57 : x
  2. Step 2: Convert to fraction form
    822,312.81/1,233,425.07 = 261,303.57/x
  3. Step 3: Cross multiply
    822,312.81x = 1,233,425.07 × 261,303.57
  4. Step 4: Simplify right side
    822,312.81x = 322,298,374,118.50
  5. Step 5: Solve for x
    x = 322,298,374,118.50/822,312.81
  6. Step 6: Final answer
    x = 391,941.33

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Double scale
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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.