Home / 1,077,111.16-1,615,707.74-403,121.50

Finding the Fourth Proportional to 1,077,111.16, 1,615,707.74 and 403,121.50

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Solution

The fourth proportional to 1,077,111.16, 1,615,707.74 and 403,121.50 is: 604,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,111.16 : 1,615,707.74 = 403,121.50 : x
  2. Step 2: Convert to fraction form
    1,077,111.16/1,615,707.74 = 403,121.50/x
  3. Step 3: Cross multiply
    1,077,111.16x = 1,615,707.74 × 403,121.50
  4. Step 4: Simplify right side
    1,077,111.16x = 651,326,524,678.94
  5. Step 5: Solve for x
    x = 651,326,524,678.94/1,077,111.16
  6. Step 6: Final answer
    x = 604,697.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.