Home / 973,073.40-1,342,840.80-543,353.28

Finding the Fourth Proportional to 973,073.40, 1,342,840.80 and 543,353.28

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Solution

The fourth proportional to 973,073.40, 1,342,840.80 and 543,353.28 is: 749,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,073.40 : 1,342,840.80 = 543,353.28 : x
  2. Step 2: Convert to fraction form
    973,073.40/1,342,840.80 = 543,353.28/x
  3. Step 3: Cross multiply
    973,073.40x = 1,342,840.80 × 543,353.28
  4. Step 4: Simplify right side
    973,073.40x = 729,636,953,197.82
  5. Step 5: Solve for x
    x = 729,636,953,197.82/973,073.40
  6. Step 6: Final answer
    x = 749,827.25

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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.