Home / 755,833.95-1,043,011.49-469,347.89

Finding the Fourth Proportional to 755,833.95, 1,043,011.49 and 469,347.89

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Solution

The fourth proportional to 755,833.95, 1,043,011.49 and 469,347.89 is: 647,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,833.95 : 1,043,011.49 = 469,347.89 : x
  2. Step 2: Convert to fraction form
    755,833.95/1,043,011.49 = 469,347.89/x
  3. Step 3: Cross multiply
    755,833.95x = 1,043,011.49 × 469,347.89
  4. Step 4: Simplify right side
    755,833.95x = 489,535,234,515.46
  5. Step 5: Solve for x
    x = 489,535,234,515.46/755,833.95
  6. Step 6: Final answer
    x = 647,675.64

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1.5x scale

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.