Home / 865,079.12-1,296,802.20-416,054

Finding the Fourth Proportional to 865,079.12, 1,296,802.20 and 416,054

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Solution

The fourth proportional to 865,079.12, 1,296,802.20 and 416,054 is: 623,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,079.12 : 1,296,802.20 = 416,054 : x
  2. Step 2: Convert to fraction form
    865,079.12/1,296,802.20 = 416,054/x
  3. Step 3: Cross multiply
    865,079.12x = 1,296,802.20 × 416,054
  4. Step 4: Simplify right side
    865,079.12x = 539,539,742,518.80
  5. Step 5: Solve for x
    x = 539,539,742,518.80/865,079.12
  6. Step 6: Final answer
    x = 623,688.32

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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.