Home / 1,290,075.03-1,935,186.35-391,546.08

Finding the Fourth Proportional to 1,290,075.03, 1,935,186.35 and 391,546.08

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Solution

The fourth proportional to 1,290,075.03, 1,935,186.35 and 391,546.08 is: 587,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,075.03 : 1,935,186.35 = 391,546.08 : x
  2. Step 2: Convert to fraction form
    1,290,075.03/1,935,186.35 = 391,546.08/x
  3. Step 3: Cross multiply
    1,290,075.03x = 1,935,186.35 × 391,546.08
  4. Step 4: Simplify right side
    1,290,075.03x = 757,714,629,412.01
  5. Step 5: Solve for x
    x = 757,714,629,412.01/1,290,075.03
  6. Step 6: Final answer
    x = 587,341.52

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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.