Home / 935,887.10-1,291,535.08-528,008.36

Finding the Fourth Proportional to 935,887.10, 1,291,535.08 and 528,008.36

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Solution

The fourth proportional to 935,887.10, 1,291,535.08 and 528,008.36 is: 728,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,887.10 : 1,291,535.08 = 528,008.36 : x
  2. Step 2: Convert to fraction form
    935,887.10/1,291,535.08 = 528,008.36/x
  3. Step 3: Cross multiply
    935,887.10x = 1,291,535.08 × 528,008.36
  4. Step 4: Simplify right side
    935,887.10x = 681,941,311,695.57
  5. Step 5: Solve for x
    x = 681,941,311,695.57/935,887.10
  6. Step 6: Final answer
    x = 728,657.67

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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.