Home / 426,075.40-587,983.60-235,088.76

Finding the Fourth Proportional to 426,075.40, 587,983.60 and 235,088.76

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Solution

The fourth proportional to 426,075.40, 587,983.60 and 235,088.76 is: 324,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,075.40 : 587,983.60 = 235,088.76 : x
  2. Step 2: Convert to fraction form
    426,075.40/587,983.60 = 235,088.76/x
  3. Step 3: Cross multiply
    426,075.40x = 587,983.60 × 235,088.76
  4. Step 4: Simplify right side
    426,075.40x = 138,228,335,424.34
  5. Step 5: Solve for x
    x = 138,228,335,424.34/426,075.40
  6. Step 6: Final answer
    x = 324,422.24

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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.