Home / 751,538.70-1,124,683.65-525,840.30

Finding the Fourth Proportional to 751,538.70, 1,124,683.65 and 525,840.30

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Solution

The fourth proportional to 751,538.70, 1,124,683.65 and 525,840.30 is: 786,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,538.70 : 1,124,683.65 = 525,840.30 : x
  2. Step 2: Convert to fraction form
    751,538.70/1,124,683.65 = 525,840.30/x
  3. Step 3: Cross multiply
    751,538.70x = 1,124,683.65 × 525,840.30
  4. Step 4: Simplify right side
    751,538.70x = 591,403,987,921.10
  5. Step 5: Solve for x
    x = 591,403,987,921.10/751,538.70
  6. Step 6: Final answer
    x = 786,924.20

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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.