Home / 975,749.81-1,346,513.76-540,141.96

Finding the Fourth Proportional to 975,749.81, 1,346,513.76 and 540,141.96

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Solution

The fourth proportional to 975,749.81, 1,346,513.76 and 540,141.96 is: 745,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,749.81 : 1,346,513.76 = 540,141.96 : x
  2. Step 2: Convert to fraction form
    975,749.81/1,346,513.76 = 540,141.96/x
  3. Step 3: Cross multiply
    975,749.81x = 1,346,513.76 × 540,141.96
  4. Step 4: Simplify right side
    975,749.81x = 727,308,581,493.37
  5. Step 5: Solve for x
    x = 727,308,581,493.37/975,749.81
  6. Step 6: Final answer
    x = 745,384.29

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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.