Home / 1,130,180.75-1,559,650.07-620,915.93

Finding the Fourth Proportional to 1,130,180.75, 1,559,650.07 and 620,915.93

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Solution

The fourth proportional to 1,130,180.75, 1,559,650.07 and 620,915.93 is: 856,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,180.75 : 1,559,650.07 = 620,915.93 : x
  2. Step 2: Convert to fraction form
    1,130,180.75/1,559,650.07 = 620,915.93/x
  3. Step 3: Cross multiply
    1,130,180.75x = 1,559,650.07 × 620,915.93
  4. Step 4: Simplify right side
    1,130,180.75x = 968,411,573,688.62
  5. Step 5: Solve for x
    x = 968,411,573,688.62/1,130,180.75
  6. Step 6: Final answer
    x = 856,864.33

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.