Home / 549,547.40-824,321.10-234,036.20

Finding the Fourth Proportional to 549,547.40, 824,321.10 and 234,036.20

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Solution

The fourth proportional to 549,547.40, 824,321.10 and 234,036.20 is: 351,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,547.40 : 824,321.10 = 234,036.20 : x
  2. Step 2: Convert to fraction form
    549,547.40/824,321.10 = 234,036.20/x
  3. Step 3: Cross multiply
    549,547.40x = 824,321.10 × 234,036.20
  4. Step 4: Simplify right side
    549,547.40x = 192,920,977,823.82
  5. Step 5: Solve for x
    x = 192,920,977,823.82/549,547.40
  6. Step 6: Final answer
    x = 351,054.30

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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.