Home / 746,117.60-1,119,176.40-521,731.40

Finding the Fourth Proportional to 746,117.60, 1,119,176.40 and 521,731.40

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Solution

The fourth proportional to 746,117.60, 1,119,176.40 and 521,731.40 is: 782,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,117.60 : 1,119,176.40 = 521,731.40 : x
  2. Step 2: Convert to fraction form
    746,117.60/1,119,176.40 = 521,731.40/x
  3. Step 3: Cross multiply
    746,117.60x = 1,119,176.40 × 521,731.40
  4. Step 4: Simplify right side
    746,117.60x = 583,909,470,018.96
  5. Step 5: Solve for x
    x = 583,909,470,018.96/746,117.60
  6. Step 6: Final answer
    x = 782,597.10

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1.5x scale

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.