Home / 759,653.16-1,048,278.96-415,421.16

Finding the Fourth Proportional to 759,653.16, 1,048,278.96 and 415,421.16

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Solution

The fourth proportional to 759,653.16, 1,048,278.96 and 415,421.16 is: 573,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,653.16 : 1,048,278.96 = 415,421.16 : x
  2. Step 2: Convert to fraction form
    759,653.16/1,048,278.96 = 415,421.16/x
  3. Step 3: Cross multiply
    759,653.16x = 1,048,278.96 × 415,421.16
  4. Step 4: Simplify right side
    759,653.16x = 435,477,261,566.79
  5. Step 5: Solve for x
    x = 435,477,261,566.79/759,653.16
  6. Step 6: Final answer
    x = 573,258.01

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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.