Home / 1,221,364.02-1,685,509.36-677,482.08

Finding the Fourth Proportional to 1,221,364.02, 1,685,509.36 and 677,482.08

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Solution

The fourth proportional to 1,221,364.02, 1,685,509.36 and 677,482.08 is: 934,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,364.02 : 1,685,509.36 = 677,482.08 : x
  2. Step 2: Convert to fraction form
    1,221,364.02/1,685,509.36 = 677,482.08/x
  3. Step 3: Cross multiply
    1,221,364.02x = 1,685,509.36 × 677,482.08
  4. Step 4: Simplify right side
    1,221,364.02x = 1,141,902,387,072.27
  5. Step 5: Solve for x
    x = 1,141,902,387,072.27/1,221,364.02
  6. Step 6: Final answer
    x = 934,940.25

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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.