Home / 986,683.80-1,479,118.50-355,443.24

Finding the Fourth Proportional to 986,683.80, 1,479,118.50 and 355,443.24

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Solution

The fourth proportional to 986,683.80, 1,479,118.50 and 355,443.24 is: 532,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,683.80 : 1,479,118.50 = 355,443.24 : x
  2. Step 2: Convert to fraction form
    986,683.80/1,479,118.50 = 355,443.24/x
  3. Step 3: Cross multiply
    986,683.80x = 1,479,118.50 × 355,443.24
  4. Step 4: Simplify right side
    986,683.80x = 525,742,671,983.94
  5. Step 5: Solve for x
    x = 525,742,671,983.94/986,683.80
  6. Step 6: Final answer
    x = 532,838.05

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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.