Home / 405,929.04-560,457.72-253,028.40

Finding the Fourth Proportional to 405,929.04, 560,457.72 and 253,028.40

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Solution

The fourth proportional to 405,929.04, 560,457.72 and 253,028.40 is: 349,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,929.04 : 560,457.72 = 253,028.40 : x
  2. Step 2: Convert to fraction form
    405,929.04/560,457.72 = 253,028.40/x
  3. Step 3: Cross multiply
    405,929.04x = 560,457.72 × 253,028.40
  4. Step 4: Simplify right side
    405,929.04x = 141,811,720,159.25
  5. Step 5: Solve for x
    x = 141,811,720,159.25/405,929.04
  6. Step 6: Final answer
    x = 349,351.01

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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.