Home / 410,075.15-615,320.18-276,675.03

Finding the Fourth Proportional to 410,075.15, 615,320.18 and 276,675.03

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Solution

The fourth proportional to 410,075.15, 615,320.18 and 276,675.03 is: 415,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,075.15 : 615,320.18 = 276,675.03 : x
  2. Step 2: Convert to fraction form
    410,075.15/615,320.18 = 276,675.03/x
  3. Step 3: Cross multiply
    410,075.15x = 615,320.18 × 276,675.03
  4. Step 4: Simplify right side
    410,075.15x = 170,243,727,877.73
  5. Step 5: Solve for x
    x = 170,243,727,877.73/410,075.15
  6. Step 6: Final answer
    x = 415,152.52

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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.