Home / 863,148.02-1,191,215.16-476,039.14

Finding the Fourth Proportional to 863,148.02, 1,191,215.16 and 476,039.14

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Solution

The fourth proportional to 863,148.02, 1,191,215.16 and 476,039.14 is: 656,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,148.02 : 1,191,215.16 = 476,039.14 : x
  2. Step 2: Convert to fraction form
    863,148.02/1,191,215.16 = 476,039.14/x
  3. Step 3: Cross multiply
    863,148.02x = 1,191,215.16 × 476,039.14
  4. Step 4: Simplify right side
    863,148.02x = 567,065,044,043.91
  5. Step 5: Solve for x
    x = 567,065,044,043.91/863,148.02
  6. Step 6: Final answer
    x = 656,973.12

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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.