Home / 4,671,505.20-7,007,257.80-4,640,012.40

Finding the Fourth Proportional to 4,671,505.20, 7,007,257.80 and 4,640,012.40

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Solution

The fourth proportional to 4,671,505.20, 7,007,257.80 and 4,640,012.40 is: 6,960,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671,505.20 : 7,007,257.80 = 4,640,012.40 : x
  2. Step 2: Convert to fraction form
    4,671,505.20/7,007,257.80 = 4,640,012.40/x
  3. Step 3: Cross multiply
    4,671,505.20x = 7,007,257.80 × 4,640,012.40
  4. Step 4: Simplify right side
    4,671,505.20x = 32,513,763,081,996.72
  5. Step 5: Solve for x
    x = 32,513,763,081,996.72/4,671,505.20
  6. Step 6: Final answer
    x = 6,960,018.60

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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.