Home / 858,567.64-1,287,851.55-297,602.14

Finding the Fourth Proportional to 858,567.64, 1,287,851.55 and 297,602.14

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Solution

The fourth proportional to 858,567.64, 1,287,851.55 and 297,602.14 is: 446,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,567.64 : 1,287,851.55 = 297,602.14 : x
  2. Step 2: Convert to fraction form
    858,567.64/1,287,851.55 = 297,602.14/x
  3. Step 3: Cross multiply
    858,567.64x = 1,287,851.55 × 297,602.14
  4. Step 4: Simplify right side
    858,567.64x = 383,267,377,282.32
  5. Step 5: Solve for x
    x = 383,267,377,282.32/858,567.64
  6. Step 6: Final answer
    x = 446,403.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.