Home / 883,590.48-1,218,969.78-556,705.02

Finding the Fourth Proportional to 883,590.48, 1,218,969.78 and 556,705.02

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Solution

The fourth proportional to 883,590.48, 1,218,969.78 and 556,705.02 is: 768,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,590.48 : 1,218,969.78 = 556,705.02 : x
  2. Step 2: Convert to fraction form
    883,590.48/1,218,969.78 = 556,705.02/x
  3. Step 3: Cross multiply
    883,590.48x = 1,218,969.78 × 556,705.02
  4. Step 4: Simplify right side
    883,590.48x = 678,606,595,754.30
  5. Step 5: Solve for x
    x = 678,606,595,754.30/883,590.48
  6. Step 6: Final answer
    x = 768,010.31

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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.