Home / 977,894.25-1,349,498.93-570,278.76

Finding the Fourth Proportional to 977,894.25, 1,349,498.93 and 570,278.76

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Solution

The fourth proportional to 977,894.25, 1,349,498.93 and 570,278.76 is: 786,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,894.25 : 1,349,498.93 = 570,278.76 : x
  2. Step 2: Convert to fraction form
    977,894.25/1,349,498.93 = 570,278.76/x
  3. Step 3: Cross multiply
    977,894.25x = 1,349,498.93 × 570,278.76
  4. Step 4: Simplify right side
    977,894.25x = 769,590,573,570.33
  5. Step 5: Solve for x
    x = 769,590,573,570.33/977,894.25
  6. Step 6: Final answer
    x = 786,987.52

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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.