Home / 943,860.66-1,302,521.01-514,140.78

Finding the Fourth Proportional to 943,860.66, 1,302,521.01 and 514,140.78

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Solution

The fourth proportional to 943,860.66, 1,302,521.01 and 514,140.78 is: 709,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,860.66 : 1,302,521.01 = 514,140.78 : x
  2. Step 2: Convert to fraction form
    943,860.66/1,302,521.01 = 514,140.78/x
  3. Step 3: Cross multiply
    943,860.66x = 1,302,521.01 × 514,140.78
  4. Step 4: Simplify right side
    943,860.66x = 669,679,168,047.79
  5. Step 5: Solve for x
    x = 669,679,168,047.79/943,860.66
  6. Step 6: Final answer
    x = 709,510.63

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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.