Home / 514,521.04-709,639.21-351,308.83

Finding the Fourth Proportional to 514,521.04, 709,639.21 and 351,308.83

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Solution

The fourth proportional to 514,521.04, 709,639.21 and 351,308.83 is: 484,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,521.04 : 709,639.21 = 351,308.83 : x
  2. Step 2: Convert to fraction form
    514,521.04/709,639.21 = 351,308.83/x
  3. Step 3: Cross multiply
    514,521.04x = 709,639.21 × 351,308.83
  4. Step 4: Simplify right side
    514,521.04x = 249,302,519,252.26
  5. Step 5: Solve for x
    x = 249,302,519,252.26/514,521.04
  6. Step 6: Final answer
    x = 484,533.18

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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.