Home / 1,759,151.60-2,638,678.80-561,145.40

Finding the Fourth Proportional to 1,759,151.60, 2,638,678.80 and 561,145.40

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Solution

The fourth proportional to 1,759,151.60, 2,638,678.80 and 561,145.40 is: 841,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,151.60 : 2,638,678.80 = 561,145.40 : x
  2. Step 2: Convert to fraction form
    1,759,151.60/2,638,678.80 = 561,145.40/x
  3. Step 3: Cross multiply
    1,759,151.60x = 2,638,678.80 × 561,145.40
  4. Step 4: Simplify right side
    1,759,151.60x = 1,480,682,470,697.52
  5. Step 5: Solve for x
    x = 1,480,682,470,697.52/1,759,151.60
  6. Step 6: Final answer
    x = 841,702.60

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1.5x scale

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.