Home / 1,363,235.40-1,881,404.84-819,547.20

Finding the Fourth Proportional to 1,363,235.40, 1,881,404.84 and 819,547.20

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Solution

The fourth proportional to 1,363,235.40, 1,881,404.84 and 819,547.20 is: 1,131,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,235.40 : 1,881,404.84 = 819,547.20 : x
  2. Step 2: Convert to fraction form
    1,363,235.40/1,881,404.84 = 819,547.20/x
  3. Step 3: Cross multiply
    1,363,235.40x = 1,881,404.84 × 819,547.20
  4. Step 4: Simplify right side
    1,363,235.40x = 1,541,900,068,688.45
  5. Step 5: Solve for x
    x = 1,541,900,068,688.45/1,363,235.40
  6. Step 6: Final answer
    x = 1,131,059.29

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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.