Home / 783,006.60-1,174,509.90-440,522.40

Finding the Fourth Proportional to 783,006.60, 1,174,509.90 and 440,522.40

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Solution

The fourth proportional to 783,006.60, 1,174,509.90 and 440,522.40 is: 660,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,006.60 : 1,174,509.90 = 440,522.40 : x
  2. Step 2: Convert to fraction form
    783,006.60/1,174,509.90 = 440,522.40/x
  3. Step 3: Cross multiply
    783,006.60x = 1,174,509.90 × 440,522.40
  4. Step 4: Simplify right side
    783,006.60x = 517,397,919,971.76
  5. Step 5: Solve for x
    x = 517,397,919,971.76/783,006.60
  6. Step 6: Final answer
    x = 660,783.60

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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.