Home / 774,318.89-1,068,525.37-430,178.95

Finding the Fourth Proportional to 774,318.89, 1,068,525.37 and 430,178.95

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Solution

The fourth proportional to 774,318.89, 1,068,525.37 and 430,178.95 is: 593,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,318.89 : 1,068,525.37 = 430,178.95 : x
  2. Step 2: Convert to fraction form
    774,318.89/1,068,525.37 = 430,178.95/x
  3. Step 3: Cross multiply
    774,318.89x = 1,068,525.37 × 430,178.95
  4. Step 4: Simplify right side
    774,318.89x = 459,657,123,588.34
  5. Step 5: Solve for x
    x = 459,657,123,588.34/774,318.89
  6. Step 6: Final answer
    x = 593,627.67

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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.