Home / 841,987.80-1,262,981.70-506,064.60

Finding the Fourth Proportional to 841,987.80, 1,262,981.70 and 506,064.60

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Solution

The fourth proportional to 841,987.80, 1,262,981.70 and 506,064.60 is: 759,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,987.80 : 1,262,981.70 = 506,064.60 : x
  2. Step 2: Convert to fraction form
    841,987.80/1,262,981.70 = 506,064.60/x
  3. Step 3: Cross multiply
    841,987.80x = 1,262,981.70 × 506,064.60
  4. Step 4: Simplify right side
    841,987.80x = 639,150,328,817.82
  5. Step 5: Solve for x
    x = 639,150,328,817.82/841,987.80
  6. Step 6: Final answer
    x = 759,096.90

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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.