Home / 1,210,595.48-1,670,697.27-666,731.11

Finding the Fourth Proportional to 1,210,595.48, 1,670,697.27 and 666,731.11

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Solution

The fourth proportional to 1,210,595.48, 1,670,697.27 and 666,731.11 is: 920,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,595.48 : 1,670,697.27 = 666,731.11 : x
  2. Step 2: Convert to fraction form
    1,210,595.48/1,670,697.27 = 666,731.11/x
  3. Step 3: Cross multiply
    1,210,595.48x = 1,670,697.27 × 666,731.11
  4. Step 4: Simplify right side
    1,210,595.48x = 1,113,905,845,301.07
  5. Step 5: Solve for x
    x = 1,113,905,845,301.07/1,210,595.48
  6. Step 6: Final answer
    x = 920,130.52

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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.