Home / 827,855.01-1,142,534.64-460,368.81

Finding the Fourth Proportional to 827,855.01, 1,142,534.64 and 460,368.81

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Solution

The fourth proportional to 827,855.01, 1,142,534.64 and 460,368.81 is: 635,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,855.01 : 1,142,534.64 = 460,368.81 : x
  2. Step 2: Convert to fraction form
    827,855.01/1,142,534.64 = 460,368.81/x
  3. Step 3: Cross multiply
    827,855.01x = 1,142,534.64 × 460,368.81
  4. Step 4: Simplify right side
    827,855.01x = 525,987,312,600.58
  5. Step 5: Solve for x
    x = 525,987,312,600.58/827,855.01
  6. Step 6: Final answer
    x = 635,361.63

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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.