Home / 1,121,281.58-1,547,320.51-662,543.75

Finding the Fourth Proportional to 1,121,281.58, 1,547,320.51 and 662,543.75

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Solution

The fourth proportional to 1,121,281.58, 1,547,320.51 and 662,543.75 is: 914,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,281.58 : 1,547,320.51 = 662,543.75 : x
  2. Step 2: Convert to fraction form
    1,121,281.58/1,547,320.51 = 662,543.75/x
  3. Step 3: Cross multiply
    1,121,281.58x = 1,547,320.51 × 662,543.75
  4. Step 4: Simplify right side
    1,121,281.58x = 1,025,167,533,147.31
  5. Step 5: Solve for x
    x = 1,025,167,533,147.31/1,121,281.58
  6. Step 6: Final answer
    x = 914,281.97

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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.