Home / 1,140,233.76-1,573,457.40-630,905.76

Finding the Fourth Proportional to 1,140,233.76, 1,573,457.40 and 630,905.76

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Solution

The fourth proportional to 1,140,233.76, 1,573,457.40 and 630,905.76 is: 870,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,233.76 : 1,573,457.40 = 630,905.76 : x
  2. Step 2: Convert to fraction form
    1,140,233.76/1,573,457.40 = 630,905.76/x
  3. Step 3: Cross multiply
    1,140,233.76x = 1,573,457.40 × 630,905.76
  4. Step 4: Simplify right side
    1,140,233.76x = 992,703,336,774.62
  5. Step 5: Solve for x
    x = 992,703,336,774.62/1,140,233.76
  6. Step 6: Final answer
    x = 870,613.88

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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.