Home / 514,985.40-710,688.39-285,552.36

Finding the Fourth Proportional to 514,985.40, 710,688.39 and 285,552.36

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Solution

The fourth proportional to 514,985.40, 710,688.39 and 285,552.36 is: 394,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,985.40 : 710,688.39 = 285,552.36 : x
  2. Step 2: Convert to fraction form
    514,985.40/710,688.39 = 285,552.36/x
  3. Step 3: Cross multiply
    514,985.40x = 710,688.39 × 285,552.36
  4. Step 4: Simplify right side
    514,985.40x = 202,938,746,989.10
  5. Step 5: Solve for x
    x = 202,938,746,989.10/514,985.40
  6. Step 6: Final answer
    x = 394,066.99

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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.