Home / 1,128,089-1,556,762.82-618,792.59

Finding the Fourth Proportional to 1,128,089, 1,556,762.82 and 618,792.59

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Solution

The fourth proportional to 1,128,089, 1,556,762.82 and 618,792.59 is: 853,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,089 : 1,556,762.82 = 618,792.59 : x
  2. Step 2: Convert to fraction form
    1,128,089/1,556,762.82 = 618,792.59/x
  3. Step 3: Cross multiply
    1,128,089x = 1,556,762.82 × 618,792.59
  4. Step 4: Simplify right side
    1,128,089x = 963,313,297,403.50
  5. Step 5: Solve for x
    x = 963,313,297,403.50/1,128,089
  6. Step 6: Final answer
    x = 853,933.77

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1.5x scale

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.