Home / 840,712.17-1,160,341.02-526,529.60

Finding the Fourth Proportional to 840,712.17, 1,160,341.02 and 526,529.60

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Solution

The fourth proportional to 840,712.17, 1,160,341.02 and 526,529.60 is: 726,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,712.17 : 1,160,341.02 = 526,529.60 : x
  2. Step 2: Convert to fraction form
    840,712.17/1,160,341.02 = 526,529.60/x
  3. Step 3: Cross multiply
    840,712.17x = 1,160,341.02 × 526,529.60
  4. Step 4: Simplify right side
    840,712.17x = 610,953,887,322.49
  5. Step 5: Solve for x
    x = 610,953,887,322.49/840,712.17
  6. Step 6: Final answer
    x = 726,709.94

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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.