Home / 1,029,678.30-1,544,533.65-389,810.34

Finding the Fourth Proportional to 1,029,678.30, 1,544,533.65 and 389,810.34

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Solution

The fourth proportional to 1,029,678.30, 1,544,533.65 and 389,810.34 is: 584,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,678.30 : 1,544,533.65 = 389,810.34 : x
  2. Step 2: Convert to fraction form
    1,029,678.30/1,544,533.65 = 389,810.34/x
  3. Step 3: Cross multiply
    1,029,678.30x = 1,544,533.65 × 389,810.34
  4. Step 4: Simplify right side
    1,029,678.30x = 602,075,187,247.94
  5. Step 5: Solve for x
    x = 602,075,187,247.94/1,029,678.30
  6. Step 6: Final answer
    x = 584,721.64

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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.