Home / 1,402,097.40-1,932,627.74-1,095,641.28

Finding the Fourth Proportional to 1,402,097.40, 1,932,627.74 and 1,095,641.28

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Solution

The fourth proportional to 1,402,097.40, 1,932,627.74 and 1,095,641.28 is: 1,510,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,097.40 : 1,932,627.74 = 1,095,641.28 : x
  2. Step 2: Convert to fraction form
    1,402,097.40/1,932,627.74 = 1,095,641.28/x
  3. Step 3: Cross multiply
    1,402,097.40x = 1,932,627.74 × 1,095,641.28
  4. Step 4: Simplify right side
    1,402,097.40x = 2,117,466,725,338.90
  5. Step 5: Solve for x
    x = 2,117,466,725,338.90/1,402,097.40
  6. Step 6: Final answer
    x = 1,510,213.72

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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.