Home / 1,115,303.36-1,539,128-606,005.72

Finding the Fourth Proportional to 1,115,303.36, 1,539,128 and 606,005.72

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Solution

The fourth proportional to 1,115,303.36, 1,539,128 and 606,005.72 is: 836,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,303.36 : 1,539,128 = 606,005.72 : x
  2. Step 2: Convert to fraction form
    1,115,303.36/1,539,128 = 606,005.72/x
  3. Step 3: Cross multiply
    1,115,303.36x = 1,539,128 × 606,005.72
  4. Step 4: Simplify right side
    1,115,303.36x = 932,720,371,812.16
  5. Step 5: Solve for x
    x = 932,720,371,812.16/1,115,303.36
  6. Step 6: Final answer
    x = 836,292.98

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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.