Home / 1,091,393.32-1,506,138.42-626,323

Finding the Fourth Proportional to 1,091,393.32, 1,506,138.42 and 626,323

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Solution

The fourth proportional to 1,091,393.32, 1,506,138.42 and 626,323 is: 864,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,393.32 : 1,506,138.42 = 626,323 : x
  2. Step 2: Convert to fraction form
    1,091,393.32/1,506,138.42 = 626,323/x
  3. Step 3: Cross multiply
    1,091,393.32x = 1,506,138.42 × 626,323
  4. Step 4: Simplify right side
    1,091,393.32x = 943,329,133,629.66
  5. Step 5: Solve for x
    x = 943,329,133,629.66/1,091,393.32
  6. Step 6: Final answer
    x = 864,334.71

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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.