Home / 1,293,285.65-1,784,873.41-712,567.16

Finding the Fourth Proportional to 1,293,285.65, 1,784,873.41 and 712,567.16

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Solution

The fourth proportional to 1,293,285.65, 1,784,873.41 and 712,567.16 is: 983,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,285.65 : 1,784,873.41 = 712,567.16 : x
  2. Step 2: Convert to fraction form
    1,293,285.65/1,784,873.41 = 712,567.16/x
  3. Step 3: Cross multiply
    1,293,285.65x = 1,784,873.41 × 712,567.16
  4. Step 4: Simplify right side
    1,293,285.65x = 1,271,842,176,723.22
  5. Step 5: Solve for x
    x = 1,271,842,176,723.22/1,293,285.65
  6. Step 6: Final answer
    x = 983,419.38

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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.