Home / 656,004.30-905,303.43-369,507.30

Finding the Fourth Proportional to 656,004.30, 905,303.43 and 369,507.30

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Solution

The fourth proportional to 656,004.30, 905,303.43 and 369,507.30 is: 509,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,004.30 : 905,303.43 = 369,507.30 : x
  2. Step 2: Convert to fraction form
    656,004.30/905,303.43 = 369,507.30/x
  3. Step 3: Cross multiply
    656,004.30x = 905,303.43 × 369,507.30
  4. Step 4: Simplify right side
    656,004.30x = 334,516,226,100.04
  5. Step 5: Solve for x
    x = 334,516,226,100.04/656,004.30
  6. Step 6: Final answer
    x = 509,929.93

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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.