Home / 584,890.89-877,336.29-318,875.10

Finding the Fourth Proportional to 584,890.89, 877,336.29 and 318,875.10

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Solution

The fourth proportional to 584,890.89, 877,336.29 and 318,875.10 is: 478,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,890.89 : 877,336.29 = 318,875.10 : x
  2. Step 2: Convert to fraction form
    584,890.89/877,336.29 = 318,875.10/x
  3. Step 3: Cross multiply
    584,890.89x = 877,336.29 × 318,875.10
  4. Step 4: Simplify right side
    584,890.89x = 279,760,697,207.38
  5. Step 5: Solve for x
    x = 279,760,697,207.38/584,890.89
  6. Step 6: Final answer
    x = 478,312.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.