Home / 1,222,283.40-1,833,643.80-512,383.20

Finding the Fourth Proportional to 1,222,283.40, 1,833,643.80 and 512,383.20

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Solution

The fourth proportional to 1,222,283.40, 1,833,643.80 and 512,383.20 is: 768,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,283.40 : 1,833,643.80 = 512,383.20 : x
  2. Step 2: Convert to fraction form
    1,222,283.40/1,833,643.80 = 512,383.20/x
  3. Step 3: Cross multiply
    1,222,283.40x = 1,833,643.80 × 512,383.20
  4. Step 4: Simplify right side
    1,222,283.40x = 939,528,277,904.16
  5. Step 5: Solve for x
    x = 939,528,277,904.16/1,222,283.40
  6. Step 6: Final answer
    x = 768,666.48

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1.5x scale

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.