Home / 549,269.40-823,904.10-538,210.20

Finding the Fourth Proportional to 549,269.40, 823,904.10 and 538,210.20

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Solution

The fourth proportional to 549,269.40, 823,904.10 and 538,210.20 is: 807,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,269.40 : 823,904.10 = 538,210.20 : x
  2. Step 2: Convert to fraction form
    549,269.40/823,904.10 = 538,210.20/x
  3. Step 3: Cross multiply
    549,269.40x = 823,904.10 × 538,210.20
  4. Step 4: Simplify right side
    549,269.40x = 443,433,590,441.82
  5. Step 5: Solve for x
    x = 443,433,590,441.82/549,269.40
  6. Step 6: Final answer
    x = 807,315.30

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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.