Home / 1,326,026.70-1,829,924.16-774,774.78

Finding the Fourth Proportional to 1,326,026.70, 1,829,924.16 and 774,774.78

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Solution

The fourth proportional to 1,326,026.70, 1,829,924.16 and 774,774.78 is: 1,069,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,026.70 : 1,829,924.16 = 774,774.78 : x
  2. Step 2: Convert to fraction form
    1,326,026.70/1,829,924.16 = 774,774.78/x
  3. Step 3: Cross multiply
    1,326,026.70x = 1,829,924.16 × 774,774.78
  4. Step 4: Simplify right side
    1,326,026.70x = 1,417,779,088,480.68
  5. Step 5: Solve for x
    x = 1,417,779,088,480.68/1,326,026.70
  6. Step 6: Final answer
    x = 1,069,193.47

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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.