Home / 702,973.60-1,054,460.40-253,763.80

Finding the Fourth Proportional to 702,973.60, 1,054,460.40 and 253,763.80

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Solution

The fourth proportional to 702,973.60, 1,054,460.40 and 253,763.80 is: 380,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,973.60 : 1,054,460.40 = 253,763.80 : x
  2. Step 2: Convert to fraction form
    702,973.60/1,054,460.40 = 253,763.80/x
  3. Step 3: Cross multiply
    702,973.60x = 1,054,460.40 × 253,763.80
  4. Step 4: Simplify right side
    702,973.60x = 267,583,878,053.52
  5. Step 5: Solve for x
    x = 267,583,878,053.52/702,973.60
  6. Step 6: Final answer
    x = 380,645.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.