Home / 694,569.80-1,041,854.70-644,803.40

Finding the Fourth Proportional to 694,569.80, 1,041,854.70 and 644,803.40

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Solution

The fourth proportional to 694,569.80, 1,041,854.70 and 644,803.40 is: 967,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,569.80 : 1,041,854.70 = 644,803.40 : x
  2. Step 2: Convert to fraction form
    694,569.80/1,041,854.70 = 644,803.40/x
  3. Step 3: Cross multiply
    694,569.80x = 1,041,854.70 × 644,803.40
  4. Step 4: Simplify right side
    694,569.80x = 671,791,452,865.98
  5. Step 5: Solve for x
    x = 671,791,452,865.98/694,569.80
  6. Step 6: Final answer
    x = 967,205.10

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1.5x scale

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.