Home / 1,579,547.35-2,179,587.54-891,178.96

Finding the Fourth Proportional to 1,579,547.35, 2,179,587.54 and 891,178.96

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Solution

The fourth proportional to 1,579,547.35, 2,179,587.54 and 891,178.96 is: 1,229,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,547.35 : 2,179,587.54 = 891,178.96 : x
  2. Step 2: Convert to fraction form
    1,579,547.35/2,179,587.54 = 891,178.96/x
  3. Step 3: Cross multiply
    1,579,547.35x = 2,179,587.54 × 891,178.96
  4. Step 4: Simplify right side
    1,579,547.35x = 1,942,402,557,126.16
  5. Step 5: Solve for x
    x = 1,942,402,557,126.16/1,579,547.35
  6. Step 6: Final answer
    x = 1,229,721.01

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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.