Home / 1,128,095-1,556,771.10-618,798.59

Finding the Fourth Proportional to 1,128,095, 1,556,771.10 and 618,798.59

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Solution

The fourth proportional to 1,128,095, 1,556,771.10 and 618,798.59 is: 853,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,095 : 1,556,771.10 = 618,798.59 : x
  2. Step 2: Convert to fraction form
    1,128,095/1,556,771.10 = 618,798.59/x
  3. Step 3: Cross multiply
    1,128,095x = 1,556,771.10 × 618,798.59
  4. Step 4: Simplify right side
    1,128,095x = 963,327,761,632.75
  5. Step 5: Solve for x
    x = 963,327,761,632.75/1,128,095
  6. Step 6: Final answer
    x = 853,942.05

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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.