Home / 1,186,660.10-1,637,598.80-642,795.89

Finding the Fourth Proportional to 1,186,660.10, 1,637,598.80 and 642,795.89

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Solution

The fourth proportional to 1,186,660.10, 1,637,598.80 and 642,795.89 is: 887,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,660.10 : 1,637,598.80 = 642,795.89 : x
  2. Step 2: Convert to fraction form
    1,186,660.10/1,637,598.80 = 642,795.89/x
  3. Step 3: Cross multiply
    1,186,660.10x = 1,637,598.80 × 642,795.89
  4. Step 4: Simplify right side
    1,186,660.10x = 1,052,641,771,527.93
  5. Step 5: Solve for x
    x = 1,052,641,771,527.93/1,186,660.10
  6. Step 6: Final answer
    x = 887,062.58

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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.