Home / 882,670.11-1,218,048.89-500,688.69

Finding the Fourth Proportional to 882,670.11, 1,218,048.89 and 500,688.69

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Solution

The fourth proportional to 882,670.11, 1,218,048.89 and 500,688.69 is: 690,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,670.11 : 1,218,048.89 = 500,688.69 : x
  2. Step 2: Convert to fraction form
    882,670.11/1,218,048.89 = 500,688.69/x
  3. Step 3: Cross multiply
    882,670.11x = 1,218,048.89 × 500,688.69
  4. Step 4: Simplify right side
    882,670.11x = 609,863,300,586.61
  5. Step 5: Solve for x
    x = 609,863,300,586.61/882,670.11
  6. Step 6: Final answer
    x = 690,930.05

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Double scale
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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.