Home / 774,316.32-1,068,520.17-430,174.45

Finding the Fourth Proportional to 774,316.32, 1,068,520.17 and 430,174.45

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Solution

The fourth proportional to 774,316.32, 1,068,520.17 and 430,174.45 is: 593,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,316.32 : 1,068,520.17 = 430,174.45 : x
  2. Step 2: Convert to fraction form
    774,316.32/1,068,520.17 = 430,174.45/x
  3. Step 3: Cross multiply
    774,316.32x = 1,068,520.17 × 430,174.45
  4. Step 4: Simplify right side
    774,316.32x = 459,650,076,443.66
  5. Step 5: Solve for x
    x = 459,650,076,443.66/774,316.32
  6. Step 6: Final answer
    x = 593,620.55

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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.