Home / 760,220.64-1,141,807.20-559,749.36

Finding the Fourth Proportional to 760,220.64, 1,141,807.20 and 559,749.36

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Solution

The fourth proportional to 760,220.64, 1,141,807.20 and 559,749.36 is: 840,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,220.64 : 1,141,807.20 = 559,749.36 : x
  2. Step 2: Convert to fraction form
    760,220.64/1,141,807.20 = 559,749.36/x
  3. Step 3: Cross multiply
    760,220.64x = 1,141,807.20 × 559,749.36
  4. Step 4: Simplify right side
    760,220.64x = 639,125,849,443.39
  5. Step 5: Solve for x
    x = 639,125,849,443.39/760,220.64
  6. Step 6: Final answer
    x = 840,710.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.