Home / 4,749,905.40-7,124,858.10-1,155,643.80

Finding the Fourth Proportional to 4,749,905.40, 7,124,858.10 and 1,155,643.80

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Solution

The fourth proportional to 4,749,905.40, 7,124,858.10 and 1,155,643.80 is: 1,733,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,905.40 : 7,124,858.10 = 1,155,643.80 : x
  2. Step 2: Convert to fraction form
    4,749,905.40/7,124,858.10 = 1,155,643.80/x
  3. Step 3: Cross multiply
    4,749,905.40x = 7,124,858.10 × 1,155,643.80
  4. Step 4: Simplify right side
    4,749,905.40x = 8,233,798,089,144.78
  5. Step 5: Solve for x
    x = 8,233,798,089,144.78/4,749,905.40
  6. Step 6: Final answer
    x = 1,733,465.70

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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.