Home / 943,860.16-1,302,520.32-514,140.28

Finding the Fourth Proportional to 943,860.16, 1,302,520.32 and 514,140.28

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Solution

The fourth proportional to 943,860.16, 1,302,520.32 and 514,140.28 is: 709,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,860.16 : 1,302,520.32 = 514,140.28 : x
  2. Step 2: Convert to fraction form
    943,860.16/1,302,520.32 = 514,140.28/x
  3. Step 3: Cross multiply
    943,860.16x = 1,302,520.32 × 514,140.28
  4. Step 4: Simplify right side
    943,860.16x = 669,678,162,030.49
  5. Step 5: Solve for x
    x = 669,678,162,030.49/943,860.16
  6. Step 6: Final answer
    x = 709,509.94

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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.