Home / 1,584,486-2,186,590.68-869,078.64

Finding the Fourth Proportional to 1,584,486, 2,186,590.68 and 869,078.64

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Solution

The fourth proportional to 1,584,486, 2,186,590.68 and 869,078.64 is: 1,199,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,486 : 2,186,590.68 = 869,078.64 : x
  2. Step 2: Convert to fraction form
    1,584,486/2,186,590.68 = 869,078.64/x
  3. Step 3: Cross multiply
    1,584,486x = 2,186,590.68 × 869,078.64
  4. Step 4: Simplify right side
    1,584,486x = 1,900,319,254,411.08
  5. Step 5: Solve for x
    x = 1,900,319,254,411.08/1,584,486
  6. Step 6: Final answer
    x = 1,199,328.52

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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.