Home / 774,364.65-1,068,635.82-430,222.79

Finding the Fourth Proportional to 774,364.65, 1,068,635.82 and 430,222.79

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Solution

The fourth proportional to 774,364.65, 1,068,635.82 and 430,222.79 is: 593,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,364.65 : 1,068,635.82 = 430,222.79 : x
  2. Step 2: Convert to fraction form
    774,364.65/1,068,635.82 = 430,222.79/x
  3. Step 3: Cross multiply
    774,364.65x = 1,068,635.82 × 430,222.79
  4. Step 4: Simplify right side
    774,364.65x = 459,751,478,631.16
  5. Step 5: Solve for x
    x = 459,751,478,631.16/774,364.65
  6. Step 6: Final answer
    x = 593,714.45

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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.