Home / 735,430.47-1,103,478.39-375,415.35

Finding the Fourth Proportional to 735,430.47, 1,103,478.39 and 375,415.35

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Solution

The fourth proportional to 735,430.47, 1,103,478.39 and 375,415.35 is: 563,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,430.47 : 1,103,478.39 = 375,415.35 : x
  2. Step 2: Convert to fraction form
    735,430.47/1,103,478.39 = 375,415.35/x
  3. Step 3: Cross multiply
    735,430.47x = 1,103,478.39 × 375,415.35
  4. Step 4: Simplify right side
    735,430.47x = 414,262,725,999.29
  5. Step 5: Solve for x
    x = 414,262,725,999.29/735,430.47
  6. Step 6: Final answer
    x = 563,292.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.