Home / 1,179,347.22-1,768,678.74-459,528.37

Finding the Fourth Proportional to 1,179,347.22, 1,768,678.74 and 459,528.37

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Solution

The fourth proportional to 1,179,347.22, 1,768,678.74 and 459,528.37 is: 689,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,347.22 : 1,768,678.74 = 459,528.37 : x
  2. Step 2: Convert to fraction form
    1,179,347.22/1,768,678.74 = 459,528.37/x
  3. Step 3: Cross multiply
    1,179,347.22x = 1,768,678.74 × 459,528.37
  4. Step 4: Simplify right side
    1,179,347.22x = 812,758,054,024.16
  5. Step 5: Solve for x
    x = 812,758,054,024.16/1,179,347.22
  6. Step 6: Final answer
    x = 689,159.26

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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.