Home / 731,507.88-1,009,482.35-409,223.36

Finding the Fourth Proportional to 731,507.88, 1,009,482.35 and 409,223.36

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Solution

The fourth proportional to 731,507.88, 1,009,482.35 and 409,223.36 is: 564,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,507.88 : 1,009,482.35 = 409,223.36 : x
  2. Step 2: Convert to fraction form
    731,507.88/1,009,482.35 = 409,223.36/x
  3. Step 3: Cross multiply
    731,507.88x = 1,009,482.35 × 409,223.36
  4. Step 4: Simplify right side
    731,507.88x = 413,103,762,674.46
  5. Step 5: Solve for x
    x = 413,103,762,674.46/731,507.88
  6. Step 6: Final answer
    x = 564,729.07

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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.