Home / 1,122,061.88-1,547,419.74-877,079

Finding the Fourth Proportional to 1,122,061.88, 1,547,419.74 and 877,079

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Solution

The fourth proportional to 1,122,061.88, 1,547,419.74 and 877,079 is: 1,209,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,061.88 : 1,547,419.74 = 877,079 : x
  2. Step 2: Convert to fraction form
    1,122,061.88/1,547,419.74 = 877,079/x
  3. Step 3: Cross multiply
    1,122,061.88x = 1,547,419.74 × 877,079
  4. Step 4: Simplify right side
    1,122,061.88x = 1,357,209,358,139.46
  5. Step 5: Solve for x
    x = 1,357,209,358,139.46/1,122,061.88
  6. Step 6: Final answer
    x = 1,209,567.30

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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.