Home / 1,316,468.58-1,816,723.53-712,856.58

Finding the Fourth Proportional to 1,316,468.58, 1,816,723.53 and 712,856.58

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Solution

The fourth proportional to 1,316,468.58, 1,816,723.53 and 712,856.58 is: 983,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,468.58 : 1,816,723.53 = 712,856.58 : x
  2. Step 2: Convert to fraction form
    1,316,468.58/1,816,723.53 = 712,856.58/x
  3. Step 3: Cross multiply
    1,316,468.58x = 1,816,723.53 × 712,856.58
  4. Step 4: Simplify right side
    1,316,468.58x = 1,295,063,322,401.33
  5. Step 5: Solve for x
    x = 1,295,063,322,401.33/1,316,468.58
  6. Step 6: Final answer
    x = 983,740.40

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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.