Home / 860,357.60-1,187,307.06-473,189.84

Finding the Fourth Proportional to 860,357.60, 1,187,307.06 and 473,189.84

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Solution

The fourth proportional to 860,357.60, 1,187,307.06 and 473,189.84 is: 653,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,357.60 : 1,187,307.06 = 473,189.84 : x
  2. Step 2: Convert to fraction form
    860,357.60/1,187,307.06 = 473,189.84/x
  3. Step 3: Cross multiply
    860,357.60x = 1,187,307.06 × 473,189.84
  4. Step 4: Simplify right side
    860,357.60x = 561,821,637,752.27
  5. Step 5: Solve for x
    x = 561,821,637,752.27/860,357.60
  6. Step 6: Final answer
    x = 653,009.44

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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.