Home / 934,903.95-1,290,167.39-505,184.07

Finding the Fourth Proportional to 934,903.95, 1,290,167.39 and 505,184.07

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Solution

The fourth proportional to 934,903.95, 1,290,167.39 and 505,184.07 is: 697,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,903.95 : 1,290,167.39 = 505,184.07 : x
  2. Step 2: Convert to fraction form
    934,903.95/1,290,167.39 = 505,184.07/x
  3. Step 3: Cross multiply
    934,903.95x = 1,290,167.39 × 505,184.07
  4. Step 4: Simplify right side
    934,903.95x = 651,772,013,061.48
  5. Step 5: Solve for x
    x = 651,772,013,061.48/934,903.95
  6. Step 6: Final answer
    x = 697,153.98

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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.