Home / 877,334.73-1,210,730.28-514,764.76

Finding the Fourth Proportional to 877,334.73, 1,210,730.28 and 514,764.76

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Solution

The fourth proportional to 877,334.73, 1,210,730.28 and 514,764.76 is: 710,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,334.73 : 1,210,730.28 = 514,764.76 : x
  2. Step 2: Convert to fraction form
    877,334.73/1,210,730.28 = 514,764.76/x
  3. Step 3: Cross multiply
    877,334.73x = 1,210,730.28 × 514,764.76
  4. Step 4: Simplify right side
    877,334.73x = 623,241,282,008.93
  5. Step 5: Solve for x
    x = 623,241,282,008.93/877,334.73
  6. Step 6: Final answer
    x = 710,380.27

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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.