Home / 1,319,953.50-1,821,557.70-716,341.50

Finding the Fourth Proportional to 1,319,953.50, 1,821,557.70 and 716,341.50

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Solution

The fourth proportional to 1,319,953.50, 1,821,557.70 and 716,341.50 is: 988,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,953.50 : 1,821,557.70 = 716,341.50 : x
  2. Step 2: Convert to fraction form
    1,319,953.50/1,821,557.70 = 716,341.50/x
  3. Step 3: Cross multiply
    1,319,953.50x = 1,821,557.70 × 716,341.50
  4. Step 4: Simplify right side
    1,319,953.50x = 1,304,857,375,154.55
  5. Step 5: Solve for x
    x = 1,304,857,375,154.55/1,319,953.50
  6. Step 6: Final answer
    x = 988,563.14

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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.