Home / 1,113,697.76-1,536,902.10-630,254.12

Finding the Fourth Proportional to 1,113,697.76, 1,536,902.10 and 630,254.12

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Solution

The fourth proportional to 1,113,697.76, 1,536,902.10 and 630,254.12 is: 869,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,697.76 : 1,536,902.10 = 630,254.12 : x
  2. Step 2: Convert to fraction form
    1,113,697.76/1,536,902.10 = 630,254.12/x
  3. Step 3: Cross multiply
    1,113,697.76x = 1,536,902.10 × 630,254.12
  4. Step 4: Simplify right side
    1,113,697.76x = 968,638,872,877.14
  5. Step 5: Solve for x
    x = 968,638,872,877.14/1,113,697.76
  6. Step 6: Final answer
    x = 869,750.22

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1.5x scale

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.