Home / 770,048.16-1,155,269.04-296,606.40

Finding the Fourth Proportional to 770,048.16, 1,155,269.04 and 296,606.40

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Solution

The fourth proportional to 770,048.16, 1,155,269.04 and 296,606.40 is: 444,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,048.16 : 1,155,269.04 = 296,606.40 : x
  2. Step 2: Convert to fraction form
    770,048.16/1,155,269.04 = 296,606.40/x
  3. Step 3: Cross multiply
    770,048.16x = 1,155,269.04 × 296,606.40
  4. Step 4: Simplify right side
    770,048.16x = 342,660,190,985.86
  5. Step 5: Solve for x
    x = 342,660,190,985.86/770,048.16
  6. Step 6: Final answer
    x = 444,985.40

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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.