Home / 1,121,603.17-1,547,804.50-612,305.55

Finding the Fourth Proportional to 1,121,603.17, 1,547,804.50 and 612,305.55

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Solution

The fourth proportional to 1,121,603.17, 1,547,804.50 and 612,305.55 is: 844,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,603.17 : 1,547,804.50 = 612,305.55 : x
  2. Step 2: Convert to fraction form
    1,121,603.17/1,547,804.50 = 612,305.55/x
  3. Step 3: Cross multiply
    1,121,603.17x = 1,547,804.50 × 612,305.55
  4. Step 4: Simplify right side
    1,121,603.17x = 947,729,277,925.95
  5. Step 5: Solve for x
    x = 947,729,277,925.95/1,121,603.17
  6. Step 6: Final answer
    x = 844,977.35

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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.