Home / 774,522.38-1,068,941.12-434,990.63

Finding the Fourth Proportional to 774,522.38, 1,068,941.12 and 434,990.63

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Solution

The fourth proportional to 774,522.38, 1,068,941.12 and 434,990.63 is: 600,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,522.38 : 1,068,941.12 = 434,990.63 : x
  2. Step 2: Convert to fraction form
    774,522.38/1,068,941.12 = 434,990.63/x
  3. Step 3: Cross multiply
    774,522.38x = 1,068,941.12 × 434,990.63
  4. Step 4: Simplify right side
    774,522.38x = 464,979,363,702.05
  5. Step 5: Solve for x
    x = 464,979,363,702.05/774,522.38
  6. Step 6: Final answer
    x = 600,343.36

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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.