Home / 745,869.15-1,029,263.63-423,536.67

Finding the Fourth Proportional to 745,869.15, 1,029,263.63 and 423,536.67

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Solution

The fourth proportional to 745,869.15, 1,029,263.63 and 423,536.67 is: 584,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,869.15 : 1,029,263.63 = 423,536.67 : x
  2. Step 2: Convert to fraction form
    745,869.15/1,029,263.63 = 423,536.67/x
  3. Step 3: Cross multiply
    745,869.15x = 1,029,263.63 × 423,536.67
  4. Step 4: Simplify right side
    745,869.15x = 435,930,888,284.63
  5. Step 5: Solve for x
    x = 435,930,888,284.63/745,869.15
  6. Step 6: Final answer
    x = 584,460.27

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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.