Home / 774,319.89-1,068,526.75-430,179.95

Finding the Fourth Proportional to 774,319.89, 1,068,526.75 and 430,179.95

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Solution

The fourth proportional to 774,319.89, 1,068,526.75 and 430,179.95 is: 593,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,319.89 : 1,068,526.75 = 430,179.95 : x
  2. Step 2: Convert to fraction form
    774,319.89/1,068,526.75 = 430,179.95/x
  3. Step 3: Cross multiply
    774,319.89x = 1,068,526.75 × 430,179.95
  4. Step 4: Simplify right side
    774,319.89x = 459,658,783,888.66
  5. Step 5: Solve for x
    x = 459,658,783,888.66/774,319.89
  6. Step 6: Final answer
    x = 593,629.05

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Double scale
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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.