Home / 1,641,345.22-2,265,047.76-953,186.32

Finding the Fourth Proportional to 1,641,345.22, 2,265,047.76 and 953,186.32

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Solution

The fourth proportional to 1,641,345.22, 2,265,047.76 and 953,186.32 is: 1,315,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,345.22 : 2,265,047.76 = 953,186.32 : x
  2. Step 2: Convert to fraction form
    1,641,345.22/2,265,047.76 = 953,186.32/x
  3. Step 3: Cross multiply
    1,641,345.22x = 2,265,047.76 × 953,186.32
  4. Step 4: Simplify right side
    1,641,345.22x = 2,159,012,538,978.64
  5. Step 5: Solve for x
    x = 2,159,012,538,978.64/1,641,345.22
  6. Step 6: Final answer
    x = 1,315,392.10

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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.