Home / 1,222,683.89-1,833,435.95-512,521.25

Finding the Fourth Proportional to 1,222,683.89, 1,833,435.95 and 512,521.25

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Solution

The fourth proportional to 1,222,683.89, 1,833,435.95 and 512,521.25 is: 768,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,683.89 : 1,833,435.95 = 512,521.25 : x
  2. Step 2: Convert to fraction form
    1,222,683.89/1,833,435.95 = 512,521.25/x
  3. Step 3: Cross multiply
    1,222,683.89x = 1,833,435.95 × 512,521.25
  4. Step 4: Simplify right side
    1,222,683.89x = 939,674,873,159.15
  5. Step 5: Solve for x
    x = 939,674,873,159.15/1,222,683.89
  6. Step 6: Final answer
    x = 768,534.60

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Double scale
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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.