Home / 821,574.50-1,133,795.93-459,038.24

Finding the Fourth Proportional to 821,574.50, 1,133,795.93 and 459,038.24

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Solution

The fourth proportional to 821,574.50, 1,133,795.93 and 459,038.24 is: 633,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,574.50 : 1,133,795.93 = 459,038.24 : x
  2. Step 2: Convert to fraction form
    821,574.50/1,133,795.93 = 459,038.24/x
  3. Step 3: Cross multiply
    821,574.50x = 1,133,795.93 × 459,038.24
  4. Step 4: Simplify right side
    821,574.50x = 520,455,687,096.02
  5. Step 5: Solve for x
    x = 520,455,687,096.02/821,574.50
  6. Step 6: Final answer
    x = 633,485.69

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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.