Home / 883,588.58-1,218,967.20-556,703.15

Finding the Fourth Proportional to 883,588.58, 1,218,967.20 and 556,703.15

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Solution

The fourth proportional to 883,588.58, 1,218,967.20 and 556,703.15 is: 768,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,588.58 : 1,218,967.20 = 556,703.15 : x
  2. Step 2: Convert to fraction form
    883,588.58/1,218,967.20 = 556,703.15/x
  3. Step 3: Cross multiply
    883,588.58x = 1,218,967.20 × 556,703.15
  4. Step 4: Simplify right side
    883,588.58x = 678,602,883,034.10
  5. Step 5: Solve for x
    x = 678,602,883,034.10/883,588.58
  6. Step 6: Final answer
    x = 768,007.76

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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.