Home / 403,598.23-556,854.75-280,953.19

Finding the Fourth Proportional to 403,598.23, 556,854.75 and 280,953.19

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Solution

The fourth proportional to 403,598.23, 556,854.75 and 280,953.19 is: 387,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,598.23 : 556,854.75 = 280,953.19 : x
  2. Step 2: Convert to fraction form
    403,598.23/556,854.75 = 280,953.19/x
  3. Step 3: Cross multiply
    403,598.23x = 556,854.75 × 280,953.19
  4. Step 4: Simplify right side
    403,598.23x = 156,450,119,075.22
  5. Step 5: Solve for x
    x = 156,450,119,075.22/403,598.23
  6. Step 6: Final answer
    x = 387,638.27

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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.