Home / 1,781,547.06-2,672,036.28-519,079.44

Finding the Fourth Proportional to 1,781,547.06, 2,672,036.28 and 519,079.44

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Solution

The fourth proportional to 1,781,547.06, 2,672,036.28 and 519,079.44 is: 778,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,547.06 : 2,672,036.28 = 519,079.44 : x
  2. Step 2: Convert to fraction form
    1,781,547.06/2,672,036.28 = 519,079.44/x
  3. Step 3: Cross multiply
    1,781,547.06x = 2,672,036.28 × 519,079.44
  4. Step 4: Simplify right side
    1,781,547.06x = 1,386,999,095,882.08
  5. Step 5: Solve for x
    x = 1,386,999,095,882.08/1,781,547.06
  6. Step 6: Final answer
    x = 778,536.32

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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.