Home / 694,570.80-1,041,856.20-644,804.40

Finding the Fourth Proportional to 694,570.80, 1,041,856.20 and 644,804.40

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Solution

The fourth proportional to 694,570.80, 1,041,856.20 and 644,804.40 is: 967,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,570.80 : 1,041,856.20 = 644,804.40 : x
  2. Step 2: Convert to fraction form
    694,570.80/1,041,856.20 = 644,804.40/x
  3. Step 3: Cross multiply
    694,570.80x = 1,041,856.20 × 644,804.40
  4. Step 4: Simplify right side
    694,570.80x = 671,793,461,927.28
  5. Step 5: Solve for x
    x = 671,793,461,927.28/694,570.80
  6. Step 6: Final answer
    x = 967,206.60

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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.