Home / 1,207,804.25-1,666,750.01-663,928.34

Finding the Fourth Proportional to 1,207,804.25, 1,666,750.01 and 663,928.34

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Solution

The fourth proportional to 1,207,804.25, 1,666,750.01 and 663,928.34 is: 916,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,804.25 : 1,666,750.01 = 663,928.34 : x
  2. Step 2: Convert to fraction form
    1,207,804.25/1,666,750.01 = 663,928.34/x
  3. Step 3: Cross multiply
    1,207,804.25x = 1,666,750.01 × 663,928.34
  4. Step 4: Simplify right side
    1,207,804.25x = 1,106,602,555,680.89
  5. Step 5: Solve for x
    x = 1,106,602,555,680.89/1,207,804.25
  6. Step 6: Final answer
    x = 916,210.19

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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.