Home / 943,328.64-1,301,727.76-535,438.80

Finding the Fourth Proportional to 943,328.64, 1,301,727.76 and 535,438.80

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Solution

The fourth proportional to 943,328.64, 1,301,727.76 and 535,438.80 is: 738,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,328.64 : 1,301,727.76 = 535,438.80 : x
  2. Step 2: Convert to fraction form
    943,328.64/1,301,727.76 = 535,438.80/x
  3. Step 3: Cross multiply
    943,328.64x = 1,301,727.76 × 535,438.80
  4. Step 4: Simplify right side
    943,328.64x = 696,995,549,741.09
  5. Step 5: Solve for x
    x = 696,995,549,741.09/943,328.64
  6. Step 6: Final answer
    x = 738,868.22

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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.