Home / 649,721.60-974,582.40-624,838.40

Finding the Fourth Proportional to 649,721.60, 974,582.40 and 624,838.40

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Solution

The fourth proportional to 649,721.60, 974,582.40 and 624,838.40 is: 937,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,721.60 : 974,582.40 = 624,838.40 : x
  2. Step 2: Convert to fraction form
    649,721.60/974,582.40 = 624,838.40/x
  3. Step 3: Cross multiply
    649,721.60x = 974,582.40 × 624,838.40
  4. Step 4: Simplify right side
    649,721.60x = 608,956,507,484.16
  5. Step 5: Solve for x
    x = 608,956,507,484.16/649,721.60
  6. Step 6: Final answer
    x = 937,257.60

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Similar ratio
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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.