Home / 760,126.47-1,140,520.38-476,467.03

Finding the Fourth Proportional to 760,126.47, 1,140,520.38 and 476,467.03

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Solution

The fourth proportional to 760,126.47, 1,140,520.38 and 476,467.03 is: 714,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,126.47 : 1,140,520.38 = 476,467.03 : x
  2. Step 2: Convert to fraction form
    760,126.47/1,140,520.38 = 476,467.03/x
  3. Step 3: Cross multiply
    760,126.47x = 1,140,520.38 × 476,467.03
  4. Step 4: Simplify right side
    760,126.47x = 543,420,358,113.07
  5. Step 5: Solve for x
    x = 543,420,358,113.07/760,126.47
  6. Step 6: Final answer
    x = 714,907.82

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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.