Home / 1,110,698.02-1,666,111.62-312,041.84

Finding the Fourth Proportional to 1,110,698.02, 1,666,111.62 and 312,041.84

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Solution

The fourth proportional to 1,110,698.02, 1,666,111.62 and 312,041.84 is: 468,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,698.02 : 1,666,111.62 = 312,041.84 : x
  2. Step 2: Convert to fraction form
    1,110,698.02/1,666,111.62 = 312,041.84/x
  3. Step 3: Cross multiply
    1,110,698.02x = 1,666,111.62 × 312,041.84
  4. Step 4: Simplify right side
    1,110,698.02x = 519,896,540,253.57
  5. Step 5: Solve for x
    x = 519,896,540,253.57/1,110,698.02
  6. Step 6: Final answer
    x = 468,080.91

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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.