Home / 1,420,427.64-2,130,649.56-473,795.58

Finding the Fourth Proportional to 1,420,427.64, 2,130,649.56 and 473,795.58

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Solution

The fourth proportional to 1,420,427.64, 2,130,649.56 and 473,795.58 is: 710,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,427.64 : 2,130,649.56 = 473,795.58 : x
  2. Step 2: Convert to fraction form
    1,420,427.64/2,130,649.56 = 473,795.58/x
  3. Step 3: Cross multiply
    1,420,427.64x = 2,130,649.56 × 473,795.58
  4. Step 4: Simplify right side
    1,420,427.64x = 1,009,492,344,056.94
  5. Step 5: Solve for x
    x = 1,009,492,344,056.94/1,420,427.64
  6. Step 6: Final answer
    x = 710,696.07

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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.