Home / 583,389.51-805,077.54-328,749.81

Finding the Fourth Proportional to 583,389.51, 805,077.54 and 328,749.81

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Solution

The fourth proportional to 583,389.51, 805,077.54 and 328,749.81 is: 453,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,389.51 : 805,077.54 = 328,749.81 : x
  2. Step 2: Convert to fraction form
    583,389.51/805,077.54 = 328,749.81/x
  3. Step 3: Cross multiply
    583,389.51x = 805,077.54 × 328,749.81
  4. Step 4: Simplify right side
    583,389.51x = 264,669,088,310.27
  5. Step 5: Solve for x
    x = 264,669,088,310.27/583,389.51
  6. Step 6: Final answer
    x = 453,674.75

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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.