Home / 1,312,113.60-1,968,170.40-470,361.60

Finding the Fourth Proportional to 1,312,113.60, 1,968,170.40 and 470,361.60

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Solution

The fourth proportional to 1,312,113.60, 1,968,170.40 and 470,361.60 is: 705,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,113.60 : 1,968,170.40 = 470,361.60 : x
  2. Step 2: Convert to fraction form
    1,312,113.60/1,968,170.40 = 470,361.60/x
  3. Step 3: Cross multiply
    1,312,113.60x = 1,968,170.40 × 470,361.60
  4. Step 4: Simplify right side
    1,312,113.60x = 925,751,778,416.64
  5. Step 5: Solve for x
    x = 925,751,778,416.64/1,312,113.60
  6. Step 6: Final answer
    x = 705,542.40

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Double scale
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Similar ratio
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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.