Home / 910,573.64-1,256,681.04-528,577.64

Finding the Fourth Proportional to 910,573.64, 1,256,681.04 and 528,577.64

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Solution

The fourth proportional to 910,573.64, 1,256,681.04 and 528,577.64 is: 729,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,573.64 : 1,256,681.04 = 528,577.64 : x
  2. Step 2: Convert to fraction form
    910,573.64/1,256,681.04 = 528,577.64/x
  3. Step 3: Cross multiply
    910,573.64x = 1,256,681.04 × 528,577.64
  4. Step 4: Simplify right side
    910,573.64x = 664,253,498,355.95
  5. Step 5: Solve for x
    x = 664,253,498,355.95/910,573.64
  6. Step 6: Final answer
    x = 729,489.05

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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.