Home / 1,477,820-2,216,040.96-767,657.36

Finding the Fourth Proportional to 1,477,820, 2,216,040.96 and 767,657.36

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Solution

The fourth proportional to 1,477,820, 2,216,040.96 and 767,657.36 is: 1,151,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,820 : 2,216,040.96 = 767,657.36 : x
  2. Step 2: Convert to fraction form
    1,477,820/2,216,040.96 = 767,657.36/x
  3. Step 3: Cross multiply
    1,477,820x = 2,216,040.96 × 767,657.36
  4. Step 4: Simplify right side
    1,477,820x = 1,701,160,153,005.47
  5. Step 5: Solve for x
    x = 1,701,160,153,005.47/1,477,820
  6. Step 6: Final answer
    x = 1,151,128.12

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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.