Home / 1,316,119.60-1,816,245.72-712,507.60

Finding the Fourth Proportional to 1,316,119.60, 1,816,245.72 and 712,507.60

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Solution

The fourth proportional to 1,316,119.60, 1,816,245.72 and 712,507.60 is: 983,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,119.60 : 1,816,245.72 = 712,507.60 : x
  2. Step 2: Convert to fraction form
    1,316,119.60/1,816,245.72 = 712,507.60/x
  3. Step 3: Cross multiply
    1,316,119.60x = 1,816,245.72 × 712,507.60
  4. Step 4: Simplify right side
    1,316,119.60x = 1,294,088,878,967.47
  5. Step 5: Solve for x
    x = 1,294,088,878,967.47/1,316,119.60
  6. Step 6: Final answer
    x = 983,260.85

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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.