Home / 377,347.51-563,865.40-286,893.19

Finding the Fourth Proportional to 377,347.51, 563,865.40 and 286,893.19

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Solution

The fourth proportional to 377,347.51, 563,865.40 and 286,893.19 is: 428,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,347.51 : 563,865.40 = 286,893.19 : x
  2. Step 2: Convert to fraction form
    377,347.51/563,865.40 = 286,893.19/x
  3. Step 3: Cross multiply
    377,347.51x = 563,865.40 × 286,893.19
  4. Step 4: Simplify right side
    377,347.51x = 161,769,144,400.07
  5. Step 5: Solve for x
    x = 161,769,144,400.07/377,347.51
  6. Step 6: Final answer
    x = 428,700.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.