Home / 860,114.75-1,186,988.81-472,959.63

Finding the Fourth Proportional to 860,114.75, 1,186,988.81 and 472,959.63

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Solution

The fourth proportional to 860,114.75, 1,186,988.81 and 472,959.63 is: 652,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,114.75 : 1,186,988.81 = 472,959.63 : x
  2. Step 2: Convert to fraction form
    860,114.75/1,186,988.81 = 472,959.63/x
  3. Step 3: Cross multiply
    860,114.75x = 1,186,988.81 × 472,959.63
  4. Step 4: Simplify right side
    860,114.75x = 561,397,786,026.94
  5. Step 5: Solve for x
    x = 561,397,786,026.94/860,114.75
  6. Step 6: Final answer
    x = 652,701.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.