Home / 549,326.16-758,091.69-307,606.59

Finding the Fourth Proportional to 549,326.16, 758,091.69 and 307,606.59

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Solution

The fourth proportional to 549,326.16, 758,091.69 and 307,606.59 is: 424,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,326.16 : 758,091.69 = 307,606.59 : x
  2. Step 2: Convert to fraction form
    549,326.16/758,091.69 = 307,606.59/x
  3. Step 3: Cross multiply
    549,326.16x = 758,091.69 × 307,606.59
  4. Step 4: Simplify right side
    549,326.16x = 233,193,999,668.24
  5. Step 5: Solve for x
    x = 233,193,999,668.24/549,326.16
  6. Step 6: Final answer
    x = 424,509.18

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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.