Home / 1,316,381.90-1,816,597.26-712,769.90

Finding the Fourth Proportional to 1,316,381.90, 1,816,597.26 and 712,769.90

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Solution

The fourth proportional to 1,316,381.90, 1,816,597.26 and 712,769.90 is: 983,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,381.90 : 1,816,597.26 = 712,769.90 : x
  2. Step 2: Convert to fraction form
    1,316,381.90/1,816,597.26 = 712,769.90/x
  3. Step 3: Cross multiply
    1,316,381.90x = 1,816,597.26 × 712,769.90
  4. Step 4: Simplify right side
    1,316,381.90x = 1,294,815,838,267.49
  5. Step 5: Solve for x
    x = 1,294,815,838,267.49/1,316,381.90
  6. Step 6: Final answer
    x = 983,617.17

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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.