Home / 1,123,070.70-1,683,817.02-393,415.41

Finding the Fourth Proportional to 1,123,070.70, 1,683,817.02 and 393,415.41

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Solution

The fourth proportional to 1,123,070.70, 1,683,817.02 and 393,415.41 is: 589,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,070.70 : 1,683,817.02 = 393,415.41 : x
  2. Step 2: Convert to fraction form
    1,123,070.70/1,683,817.02 = 393,415.41/x
  3. Step 3: Cross multiply
    1,123,070.70x = 1,683,817.02 × 393,415.41
  4. Step 4: Simplify right side
    1,123,070.70x = 662,439,563,288.28
  5. Step 5: Solve for x
    x = 662,439,563,288.28/1,123,070.70
  6. Step 6: Final answer
    x = 589,846.72

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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.