Home / 649,269.60-973,904.40-624,386.40

Finding the Fourth Proportional to 649,269.60, 973,904.40 and 624,386.40

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Solution

The fourth proportional to 649,269.60, 973,904.40 and 624,386.40 is: 936,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,269.60 : 973,904.40 = 624,386.40 : x
  2. Step 2: Convert to fraction form
    649,269.60/973,904.40 = 624,386.40/x
  3. Step 3: Cross multiply
    649,269.60x = 973,904.40 × 624,386.40
  4. Step 4: Simplify right side
    649,269.60x = 608,092,662,260.16
  5. Step 5: Solve for x
    x = 608,092,662,260.16/649,269.60
  6. Step 6: Final answer
    x = 936,579.60

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Double scale
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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.