Home / 556,623.93-767,666.34-427,874.33

Finding the Fourth Proportional to 556,623.93, 767,666.34 and 427,874.33

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Solution

The fourth proportional to 556,623.93, 767,666.34 and 427,874.33 is: 590,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,623.93 : 767,666.34 = 427,874.33 : x
  2. Step 2: Convert to fraction form
    556,623.93/767,666.34 = 427,874.33/x
  3. Step 3: Cross multiply
    556,623.93x = 767,666.34 × 427,874.33
  4. Step 4: Simplify right side
    556,623.93x = 328,464,719,821.37
  5. Step 5: Solve for x
    x = 328,464,719,821.37/556,623.93
  6. Step 6: Final answer
    x = 590,101.68

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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.