Home / 584,904.28-877,356.32-318,888.50

Finding the Fourth Proportional to 584,904.28, 877,356.32 and 318,888.50

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Solution

The fourth proportional to 584,904.28, 877,356.32 and 318,888.50 is: 478,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,904.28 : 877,356.32 = 318,888.50 : x
  2. Step 2: Convert to fraction form
    584,904.28/877,356.32 = 318,888.50/x
  3. Step 3: Cross multiply
    584,904.28x = 877,356.32 × 318,888.50
  4. Step 4: Simplify right side
    584,904.28x = 279,778,840,850.32
  5. Step 5: Solve for x
    x = 279,778,840,850.32/584,904.28
  6. Step 6: Final answer
    x = 478,332.70

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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.