Home / 1,112,340.03-1,668,510.02-513,123.90

Finding the Fourth Proportional to 1,112,340.03, 1,668,510.02 and 513,123.90

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Solution

The fourth proportional to 1,112,340.03, 1,668,510.02 and 513,123.90 is: 769,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,340.03 : 1,668,510.02 = 513,123.90 : x
  2. Step 2: Convert to fraction form
    1,112,340.03/1,668,510.02 = 513,123.90/x
  3. Step 3: Cross multiply
    1,112,340.03x = 1,668,510.02 × 513,123.90
  4. Step 4: Simplify right side
    1,112,340.03x = 856,152,368,651.48
  5. Step 5: Solve for x
    x = 856,152,368,651.48/1,112,340.03
  6. Step 6: Final answer
    x = 769,685.84

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Double scale
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Similar ratio
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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.