Home / 1,037,629.10-1,556,443.65-636,970.70

Finding the Fourth Proportional to 1,037,629.10, 1,556,443.65 and 636,970.70

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Solution

The fourth proportional to 1,037,629.10, 1,556,443.65 and 636,970.70 is: 955,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,629.10 : 1,556,443.65 = 636,970.70 : x
  2. Step 2: Convert to fraction form
    1,037,629.10/1,556,443.65 = 636,970.70/x
  3. Step 3: Cross multiply
    1,037,629.10x = 1,556,443.65 × 636,970.70
  4. Step 4: Simplify right side
    1,037,629.10x = 991,409,001,251.06
  5. Step 5: Solve for x
    x = 991,409,001,251.06/1,037,629.10
  6. Step 6: Final answer
    x = 955,456.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.