Home / 578,075.76-867,036.92-262,460.08

Finding the Fourth Proportional to 578,075.76, 867,036.92 and 262,460.08

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Solution

The fourth proportional to 578,075.76, 867,036.92 and 262,460.08 is: 393,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,075.76 : 867,036.92 = 262,460.08 : x
  2. Step 2: Convert to fraction form
    578,075.76/867,036.92 = 262,460.08/x
  3. Step 3: Cross multiply
    578,075.76x = 867,036.92 × 262,460.08
  4. Step 4: Simplify right side
    578,075.76x = 227,562,579,386.15
  5. Step 5: Solve for x
    x = 227,562,579,386.15/578,075.76
  6. Step 6: Final answer
    x = 393,655.29

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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.