Home / 514,823.58-710,427.51-299,998.62

Finding the Fourth Proportional to 514,823.58, 710,427.51 and 299,998.62

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Solution

The fourth proportional to 514,823.58, 710,427.51 and 299,998.62 is: 413,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,823.58 : 710,427.51 = 299,998.62 : x
  2. Step 2: Convert to fraction form
    514,823.58/710,427.51 = 299,998.62/x
  3. Step 3: Cross multiply
    514,823.58x = 710,427.51 × 299,998.62
  4. Step 4: Simplify right side
    514,823.58x = 213,127,272,610.04
  5. Step 5: Solve for x
    x = 213,127,272,610.04/514,823.58
  6. Step 6: Final answer
    x = 413,981.18

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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.