Home / 583,289.10-804,938.79-315,017.10

Finding the Fourth Proportional to 583,289.10, 804,938.79 and 315,017.10

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Solution

The fourth proportional to 583,289.10, 804,938.79 and 315,017.10 is: 434,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,289.10 : 804,938.79 = 315,017.10 : x
  2. Step 2: Convert to fraction form
    583,289.10/804,938.79 = 315,017.10/x
  3. Step 3: Cross multiply
    583,289.10x = 804,938.79 × 315,017.10
  4. Step 4: Simplify right side
    583,289.10x = 253,569,483,303.31
  5. Step 5: Solve for x
    x = 253,569,483,303.31/583,289.10
  6. Step 6: Final answer
    x = 434,723.51

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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.