Home / 558,784.40-771,123.95-317,066.32

Finding the Fourth Proportional to 558,784.40, 771,123.95 and 317,066.32

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Solution

The fourth proportional to 558,784.40, 771,123.95 and 317,066.32 is: 437,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,784.40 : 771,123.95 = 317,066.32 : x
  2. Step 2: Convert to fraction form
    558,784.40/771,123.95 = 317,066.32/x
  3. Step 3: Cross multiply
    558,784.40x = 771,123.95 × 317,066.32
  4. Step 4: Simplify right side
    558,784.40x = 244,497,435,826.72
  5. Step 5: Solve for x
    x = 244,497,435,826.72/558,784.40
  6. Step 6: Final answer
    x = 437,552.37

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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.