Home / 975,699.68-1,346,421.29-540,133.11

Finding the Fourth Proportional to 975,699.68, 1,346,421.29 and 540,133.11

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Solution

The fourth proportional to 975,699.68, 1,346,421.29 and 540,133.11 is: 745,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,699.68 : 1,346,421.29 = 540,133.11 : x
  2. Step 2: Convert to fraction form
    975,699.68/1,346,421.29 = 540,133.11/x
  3. Step 3: Cross multiply
    975,699.68x = 1,346,421.29 × 540,133.11
  4. Step 4: Simplify right side
    975,699.68x = 727,246,716,037.25
  5. Step 5: Solve for x
    x = 727,246,716,037.25/975,699.68
  6. Step 6: Final answer
    x = 745,359.19

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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.