Home / 895,258.89-1,235,419.43-487,352.25

Finding the Fourth Proportional to 895,258.89, 1,235,419.43 and 487,352.25

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Solution

The fourth proportional to 895,258.89, 1,235,419.43 and 487,352.25 is: 672,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,258.89 : 1,235,419.43 = 487,352.25 : x
  2. Step 2: Convert to fraction form
    895,258.89/1,235,419.43 = 487,352.25/x
  3. Step 3: Cross multiply
    895,258.89x = 1,235,419.43 × 487,352.25
  4. Step 4: Simplify right side
    895,258.89x = 602,084,436,467.46
  5. Step 5: Solve for x
    x = 602,084,436,467.46/895,258.89
  6. Step 6: Final answer
    x = 672,525.50

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Double scale
Find fourth proportional to 895,259.89, 1,235,420.80 and 487,353.25
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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.