Home / 516,017.29-712,084.33-286,589.35

Finding the Fourth Proportional to 516,017.29, 712,084.33 and 286,589.35

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Solution

The fourth proportional to 516,017.29, 712,084.33 and 286,589.35 is: 395,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,017.29 : 712,084.33 = 286,589.35 : x
  2. Step 2: Convert to fraction form
    516,017.29/712,084.33 = 286,589.35/x
  3. Step 3: Cross multiply
    516,017.29x = 712,084.33 × 286,589.35
  4. Step 4: Simplify right side
    516,017.29x = 204,075,785,279.89
  5. Step 5: Solve for x
    x = 204,075,785,279.89/516,017.29
  6. Step 6: Final answer
    x = 395,482.46

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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.