Home / 549,332.42-758,016.08-307,581.38

Finding the Fourth Proportional to 549,332.42, 758,016.08 and 307,581.38

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Solution

The fourth proportional to 549,332.42, 758,016.08 and 307,581.38 is: 424,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,332.42 : 758,016.08 = 307,581.38 : x
  2. Step 2: Convert to fraction form
    549,332.42/758,016.08 = 307,581.38/x
  3. Step 3: Cross multiply
    549,332.42x = 758,016.08 × 307,581.38
  4. Step 4: Simplify right side
    549,332.42x = 233,151,631,948.59
  5. Step 5: Solve for x
    x = 233,151,631,948.59/549,332.42
  6. Step 6: Final answer
    x = 424,427.22

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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.