Home / 649,286.40-973,929.60-549,753.60

Finding the Fourth Proportional to 649,286.40, 973,929.60 and 549,753.60

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Solution

The fourth proportional to 649,286.40, 973,929.60 and 549,753.60 is: 824,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,286.40 : 973,929.60 = 549,753.60 : x
  2. Step 2: Convert to fraction form
    649,286.40/973,929.60 = 549,753.60/x
  3. Step 3: Cross multiply
    649,286.40x = 973,929.60 × 549,753.60
  4. Step 4: Simplify right side
    649,286.40x = 535,421,303,746.56
  5. Step 5: Solve for x
    x = 535,421,303,746.56/649,286.40
  6. Step 6: Final answer
    x = 824,630.40

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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.