Home / 583,933.76-805,826.40-315,661.76

Finding the Fourth Proportional to 583,933.76, 805,826.40 and 315,661.76

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Solution

The fourth proportional to 583,933.76, 805,826.40 and 315,661.76 is: 435,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,933.76 : 805,826.40 = 315,661.76 : x
  2. Step 2: Convert to fraction form
    583,933.76/805,826.40 = 315,661.76/x
  3. Step 3: Cross multiply
    583,933.76x = 805,826.40 × 315,661.76
  4. Step 4: Simplify right side
    583,933.76x = 254,368,579,678.46
  5. Step 5: Solve for x
    x = 254,368,579,678.46/583,933.76
  6. Step 6: Final answer
    x = 435,612.05

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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.