Home / 921,374.19-1,271,465.64-534,196.76

Finding the Fourth Proportional to 921,374.19, 1,271,465.64 and 534,196.76

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Solution

The fourth proportional to 921,374.19, 1,271,465.64 and 534,196.76 is: 737,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,374.19 : 1,271,465.64 = 534,196.76 : x
  2. Step 2: Convert to fraction form
    921,374.19/1,271,465.64 = 534,196.76/x
  3. Step 3: Cross multiply
    921,374.19x = 1,271,465.64 × 534,196.76
  4. Step 4: Simplify right side
    921,374.19x = 679,212,818,982.00
  5. Step 5: Solve for x
    x = 679,212,818,982.00/921,374.19
  6. Step 6: Final answer
    x = 737,173.70

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Double scale
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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.