Home / 859,641.27-1,186,281.36-477,658.23

Finding the Fourth Proportional to 859,641.27, 1,186,281.36 and 477,658.23

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Solution

The fourth proportional to 859,641.27, 1,186,281.36 and 477,658.23 is: 659,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,641.27 : 1,186,281.36 = 477,658.23 : x
  2. Step 2: Convert to fraction form
    859,641.27/1,186,281.36 = 477,658.23/x
  3. Step 3: Cross multiply
    859,641.27x = 1,186,281.36 × 477,658.23
  4. Step 4: Simplify right side
    859,641.27x = 566,637,054,699.59
  5. Step 5: Solve for x
    x = 566,637,054,699.59/859,641.27
  6. Step 6: Final answer
    x = 659,155.25

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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.