Home / 549,938.15-759,021.08-358,619.39

Finding the Fourth Proportional to 549,938.15, 759,021.08 and 358,619.39

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Solution

The fourth proportional to 549,938.15, 759,021.08 and 358,619.39 is: 494,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,938.15 : 759,021.08 = 358,619.39 : x
  2. Step 2: Convert to fraction form
    549,938.15/759,021.08 = 358,619.39/x
  3. Step 3: Cross multiply
    549,938.15x = 759,021.08 × 358,619.39
  4. Step 4: Simplify right side
    549,938.15x = 272,199,671,118.54
  5. Step 5: Solve for x
    x = 272,199,671,118.54/549,938.15
  6. Step 6: Final answer
    x = 494,964.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.