Home / 1,075,785.12-1,484,782.56-623,076

Finding the Fourth Proportional to 1,075,785.12, 1,484,782.56 and 623,076

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Solution

The fourth proportional to 1,075,785.12, 1,484,782.56 and 623,076 is: 859,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,785.12 : 1,484,782.56 = 623,076 : x
  2. Step 2: Convert to fraction form
    1,075,785.12/1,484,782.56 = 623,076/x
  3. Step 3: Cross multiply
    1,075,785.12x = 1,484,782.56 × 623,076
  4. Step 4: Simplify right side
    1,075,785.12x = 925,132,378,354.56
  5. Step 5: Solve for x
    x = 925,132,378,354.56/1,075,785.12
  6. Step 6: Final answer
    x = 859,960.19

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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.