Home / 729,225.90-1,093,838.85-549,600.30

Finding the Fourth Proportional to 729,225.90, 1,093,838.85 and 549,600.30

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Solution

The fourth proportional to 729,225.90, 1,093,838.85 and 549,600.30 is: 824,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,225.90 : 1,093,838.85 = 549,600.30 : x
  2. Step 2: Convert to fraction form
    729,225.90/1,093,838.85 = 549,600.30/x
  3. Step 3: Cross multiply
    729,225.90x = 1,093,838.85 × 549,600.30
  4. Step 4: Simplify right side
    729,225.90x = 601,174,160,111.66
  5. Step 5: Solve for x
    x = 601,174,160,111.66/729,225.90
  6. Step 6: Final answer
    x = 824,400.45

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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.