Home / 860,686.51-1,187,730.84-473,479.30

Finding the Fourth Proportional to 860,686.51, 1,187,730.84 and 473,479.30

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Solution

The fourth proportional to 860,686.51, 1,187,730.84 and 473,479.30 is: 653,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,686.51 : 1,187,730.84 = 473,479.30 : x
  2. Step 2: Convert to fraction form
    860,686.51/1,187,730.84 = 473,479.30/x
  3. Step 3: Cross multiply
    860,686.51x = 1,187,730.84 × 473,479.30
  4. Step 4: Simplify right side
    860,686.51x = 562,365,966,711.61
  5. Step 5: Solve for x
    x = 562,365,966,711.61/860,686.51
  6. Step 6: Final answer
    x = 653,392.33

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Double scale
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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.