Home / 1,421,001.68-1,960,924.02-776,444

Finding the Fourth Proportional to 1,421,001.68, 1,960,924.02 and 776,444

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Solution

The fourth proportional to 1,421,001.68, 1,960,924.02 and 776,444 is: 1,071,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,001.68 : 1,960,924.02 = 776,444 : x
  2. Step 2: Convert to fraction form
    1,421,001.68/1,960,924.02 = 776,444/x
  3. Step 3: Cross multiply
    1,421,001.68x = 1,960,924.02 × 776,444
  4. Step 4: Simplify right side
    1,421,001.68x = 1,522,547,689,784.88
  5. Step 5: Solve for x
    x = 1,522,547,689,784.88/1,421,001.68
  6. Step 6: Final answer
    x = 1,071,460.87

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1.5x scale

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.