Home / 1,142,841.42-1,714,547.54-806,538.92

Finding the Fourth Proportional to 1,142,841.42, 1,714,547.54 and 806,538.92

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Solution

The fourth proportional to 1,142,841.42, 1,714,547.54 and 806,538.92 is: 1,210,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,841.42 : 1,714,547.54 = 806,538.92 : x
  2. Step 2: Convert to fraction form
    1,142,841.42/1,714,547.54 = 806,538.92/x
  3. Step 3: Cross multiply
    1,142,841.42x = 1,714,547.54 × 806,538.92
  4. Step 4: Simplify right side
    1,142,841.42x = 1,382,849,321,200.26
  5. Step 5: Solve for x
    x = 1,382,849,321,200.26/1,142,841.42
  6. Step 6: Final answer
    x = 1,210,009.80

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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.