Home / 1,421,662.51-2,132,603.93-475,036.57

Finding the Fourth Proportional to 1,421,662.51, 2,132,603.93 and 475,036.57

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Solution

The fourth proportional to 1,421,662.51, 2,132,603.93 and 475,036.57 is: 712,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,662.51 : 2,132,603.93 = 475,036.57 : x
  2. Step 2: Convert to fraction form
    1,421,662.51/2,132,603.93 = 475,036.57/x
  3. Step 3: Cross multiply
    1,421,662.51x = 2,132,603.93 × 475,036.57
  4. Step 4: Simplify right side
    1,421,662.51x = 1,013,064,856,075.72
  5. Step 5: Solve for x
    x = 1,013,064,856,075.72/1,421,662.51
  6. Step 6: Final answer
    x = 712,591.67

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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.