Home / 858,869.14-1,185,699.58-662,206.08

Finding the Fourth Proportional to 858,869.14, 1,185,699.58 and 662,206.08

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Solution

The fourth proportional to 858,869.14, 1,185,699.58 and 662,206.08 is: 914,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,869.14 : 1,185,699.58 = 662,206.08 : x
  2. Step 2: Convert to fraction form
    858,869.14/1,185,699.58 = 662,206.08/x
  3. Step 3: Cross multiply
    858,869.14x = 1,185,699.58 × 662,206.08
  4. Step 4: Simplify right side
    858,869.14x = 785,177,470,929.45
  5. Step 5: Solve for x
    x = 785,177,470,929.45/858,869.14
  6. Step 6: Final answer
    x = 914,199.19

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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.