Home / 1,121,279.58-1,547,317.76-662,541.75

Finding the Fourth Proportional to 1,121,279.58, 1,547,317.76 and 662,541.75

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Solution

The fourth proportional to 1,121,279.58, 1,547,317.76 and 662,541.75 is: 914,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,279.58 : 1,547,317.76 = 662,541.75 : x
  2. Step 2: Convert to fraction form
    1,121,279.58/1,547,317.76 = 662,541.75/x
  3. Step 3: Cross multiply
    1,121,279.58x = 1,547,317.76 × 662,541.75
  4. Step 4: Simplify right side
    1,121,279.58x = 1,025,162,613,203.77
  5. Step 5: Solve for x
    x = 1,025,162,613,203.77/1,121,279.58
  6. Step 6: Final answer
    x = 914,279.21

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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.