Home / 549,973.52-758,984.32-308,260.56

Finding the Fourth Proportional to 549,973.52, 758,984.32 and 308,260.56

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Solution

The fourth proportional to 549,973.52, 758,984.32 and 308,260.56 is: 425,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,973.52 : 758,984.32 = 308,260.56 : x
  2. Step 2: Convert to fraction form
    549,973.52/758,984.32 = 308,260.56/x
  3. Step 3: Cross multiply
    549,973.52x = 758,984.32 × 308,260.56
  4. Step 4: Simplify right side
    549,973.52x = 233,964,931,514.42
  5. Step 5: Solve for x
    x = 233,964,931,514.42/549,973.52
  6. Step 6: Final answer
    x = 425,411.27

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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.