Home / 923,421.60-1,385,132.40-624,045.60

Finding the Fourth Proportional to 923,421.60, 1,385,132.40 and 624,045.60

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Solution

The fourth proportional to 923,421.60, 1,385,132.40 and 624,045.60 is: 936,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,421.60 : 1,385,132.40 = 624,045.60 : x
  2. Step 2: Convert to fraction form
    923,421.60/1,385,132.40 = 624,045.60/x
  3. Step 3: Cross multiply
    923,421.60x = 1,385,132.40 × 624,045.60
  4. Step 4: Simplify right side
    923,421.60x = 864,385,779,637.44
  5. Step 5: Solve for x
    x = 864,385,779,637.44/923,421.60
  6. Step 6: Final answer
    x = 936,068.40

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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.