Home / 519,514.35-716,922.96-290,075.55

Finding the Fourth Proportional to 519,514.35, 716,922.96 and 290,075.55

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Solution

The fourth proportional to 519,514.35, 716,922.96 and 290,075.55 is: 400,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,514.35 : 716,922.96 = 290,075.55 : x
  2. Step 2: Convert to fraction form
    519,514.35/716,922.96 = 290,075.55/x
  3. Step 3: Cross multiply
    519,514.35x = 716,922.96 × 290,075.55
  4. Step 4: Simplify right side
    519,514.35x = 207,961,821,929.63
  5. Step 5: Solve for x
    x = 207,961,821,929.63/519,514.35
  6. Step 6: Final answer
    x = 400,300.44

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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.