Home / 859,761.22-1,186,376.28-497,130.20

Finding the Fourth Proportional to 859,761.22, 1,186,376.28 and 497,130.20

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Solution

The fourth proportional to 859,761.22, 1,186,376.28 and 497,130.20 is: 685,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,761.22 : 1,186,376.28 = 497,130.20 : x
  2. Step 2: Convert to fraction form
    859,761.22/1,186,376.28 = 497,130.20/x
  3. Step 3: Cross multiply
    859,761.22x = 1,186,376.28 × 497,130.20
  4. Step 4: Simplify right side
    859,761.22x = 589,783,477,351.66
  5. Step 5: Solve for x
    x = 589,783,477,351.66/859,761.22
  6. Step 6: Final answer
    x = 685,985.21

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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.