Home / 571,116.55-788,140.83-316,467.73

Finding the Fourth Proportional to 571,116.55, 788,140.83 and 316,467.73

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Solution

The fourth proportional to 571,116.55, 788,140.83 and 316,467.73 is: 436,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,116.55 : 788,140.83 = 316,467.73 : x
  2. Step 2: Convert to fraction form
    571,116.55/788,140.83 = 316,467.73/x
  3. Step 3: Cross multiply
    571,116.55x = 788,140.83 × 316,467.73
  4. Step 4: Simplify right side
    571,116.55x = 249,421,139,390.42
  5. Step 5: Solve for x
    x = 249,421,139,390.42/571,116.55
  6. Step 6: Final answer
    x = 436,725.46

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Double scale
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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.