Home / 1,047,511.80-1,570,499.70-416,113.40

Finding the Fourth Proportional to 1,047,511.80, 1,570,499.70 and 416,113.40

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Solution

The fourth proportional to 1,047,511.80, 1,570,499.70 and 416,113.40 is: 623,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,511.80 : 1,570,499.70 = 416,113.40 : x
  2. Step 2: Convert to fraction form
    1,047,511.80/1,570,499.70 = 416,113.40/x
  3. Step 3: Cross multiply
    1,047,511.80x = 1,570,499.70 × 416,113.40
  4. Step 4: Simplify right side
    1,047,511.80x = 653,505,969,865.98
  5. Step 5: Solve for x
    x = 653,505,969,865.98/1,047,511.80
  6. Step 6: Final answer
    x = 623,865.02

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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.