Home / 1,763,785.50-2,433,953.52-1,038,663.78

Finding the Fourth Proportional to 1,763,785.50, 2,433,953.52 and 1,038,663.78

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Solution

The fourth proportional to 1,763,785.50, 2,433,953.52 and 1,038,663.78 is: 1,433,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,785.50 : 2,433,953.52 = 1,038,663.78 : x
  2. Step 2: Convert to fraction form
    1,763,785.50/2,433,953.52 = 1,038,663.78/x
  3. Step 3: Cross multiply
    1,763,785.50x = 2,433,953.52 × 1,038,663.78
  4. Step 4: Simplify right side
    1,763,785.50x = 2,528,059,363,427.51
  5. Step 5: Solve for x
    x = 2,528,059,363,427.51/1,763,785.50
  6. Step 6: Final answer
    x = 1,433,314.52

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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.