Home / 516,436.60-711,931.38-360,905.01

Finding the Fourth Proportional to 516,436.60, 711,931.38 and 360,905.01

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Solution

The fourth proportional to 516,436.60, 711,931.38 and 360,905.01 is: 497,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,436.60 : 711,931.38 = 360,905.01 : x
  2. Step 2: Convert to fraction form
    516,436.60/711,931.38 = 360,905.01/x
  3. Step 3: Cross multiply
    516,436.60x = 711,931.38 × 360,905.01
  4. Step 4: Simplify right side
    516,436.60x = 256,939,602,821.68
  5. Step 5: Solve for x
    x = 256,939,602,821.68/516,436.60
  6. Step 6: Final answer
    x = 497,524.00

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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.