Home / 1,225,756.89-1,838,635.34-384,374.25

Finding the Fourth Proportional to 1,225,756.89, 1,838,635.34 and 384,374.25

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Solution

The fourth proportional to 1,225,756.89, 1,838,635.34 and 384,374.25 is: 576,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,756.89 : 1,838,635.34 = 384,374.25 : x
  2. Step 2: Convert to fraction form
    1,225,756.89/1,838,635.34 = 384,374.25/x
  3. Step 3: Cross multiply
    1,225,756.89x = 1,838,635.34 × 384,374.25
  4. Step 4: Simplify right side
    1,225,756.89x = 706,724,077,914.12
  5. Step 5: Solve for x
    x = 706,724,077,914.12/1,225,756.89
  6. Step 6: Final answer
    x = 576,561.38

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Double scale
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Similar ratio
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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.