Home / 1,692,590.16-2,335,732.20-947,505.72

Finding the Fourth Proportional to 1,692,590.16, 2,335,732.20 and 947,505.72

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Solution

The fourth proportional to 1,692,590.16, 2,335,732.20 and 947,505.72 is: 1,307,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,590.16 : 2,335,732.20 = 947,505.72 : x
  2. Step 2: Convert to fraction form
    1,692,590.16/2,335,732.20 = 947,505.72/x
  3. Step 3: Cross multiply
    1,692,590.16x = 2,335,732.20 × 947,505.72
  4. Step 4: Simplify right side
    1,692,590.16x = 2,213,119,619,888.18
  5. Step 5: Solve for x
    x = 2,213,119,619,888.18/1,692,590.16
  6. Step 6: Final answer
    x = 1,307,534.26

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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.