Home / 683,213.51-942,823.93-377,282.28

Finding the Fourth Proportional to 683,213.51, 942,823.93 and 377,282.28

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Solution

The fourth proportional to 683,213.51, 942,823.93 and 377,282.28 is: 520,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,213.51 : 942,823.93 = 377,282.28 : x
  2. Step 2: Convert to fraction form
    683,213.51/942,823.93 = 377,282.28/x
  3. Step 3: Cross multiply
    683,213.51x = 942,823.93 × 377,282.28
  4. Step 4: Simplify right side
    683,213.51x = 355,710,761,948.96
  5. Step 5: Solve for x
    x = 355,710,761,948.96/683,213.51
  6. Step 6: Final answer
    x = 520,643.63

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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.