Home / 549,946.98-758,849.85-308,210.58

Finding the Fourth Proportional to 549,946.98, 758,849.85 and 308,210.58

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Solution

The fourth proportional to 549,946.98, 758,849.85 and 308,210.58 is: 425,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,946.98 : 758,849.85 = 308,210.58 : x
  2. Step 2: Convert to fraction form
    549,946.98/758,849.85 = 308,210.58/x
  3. Step 3: Cross multiply
    549,946.98x = 758,849.85 × 308,210.58
  4. Step 4: Simplify right side
    549,946.98x = 233,885,552,401.41
  5. Step 5: Solve for x
    x = 233,885,552,401.41/549,946.98
  6. Step 6: Final answer
    x = 425,287.46

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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.