Home / 638,192.58-880,931.26-570,091.22

Finding the Fourth Proportional to 638,192.58, 880,931.26 and 570,091.22

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Solution

The fourth proportional to 638,192.58, 880,931.26 and 570,091.22 is: 786,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,192.58 : 880,931.26 = 570,091.22 : x
  2. Step 2: Convert to fraction form
    638,192.58/880,931.26 = 570,091.22/x
  3. Step 3: Cross multiply
    638,192.58x = 880,931.26 × 570,091.22
  4. Step 4: Simplify right side
    638,192.58x = 502,211,173,121.98
  5. Step 5: Solve for x
    x = 502,211,173,121.98/638,192.58
  6. Step 6: Final answer
    x = 786,927.32

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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.