Home / 1,316,109.60-1,816,233.60-712,497.60

Finding the Fourth Proportional to 1,316,109.60, 1,816,233.60 and 712,497.60

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Solution

The fourth proportional to 1,316,109.60, 1,816,233.60 and 712,497.60 is: 983,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,109.60 : 1,816,233.60 = 712,497.60 : x
  2. Step 2: Convert to fraction form
    1,316,109.60/1,816,233.60 = 712,497.60/x
  3. Step 3: Cross multiply
    1,316,109.60x = 1,816,233.60 × 712,497.60
  4. Step 4: Simplify right side
    1,316,109.60x = 1,294,062,081,039.36
  5. Step 5: Solve for x
    x = 1,294,062,081,039.36/1,316,109.60
  6. Step 6: Final answer
    x = 983,247.96

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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.