Home / 926,801.10-1,390,201.65-570,660.30

Finding the Fourth Proportional to 926,801.10, 1,390,201.65 and 570,660.30

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Solution

The fourth proportional to 926,801.10, 1,390,201.65 and 570,660.30 is: 855,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,801.10 : 1,390,201.65 = 570,660.30 : x
  2. Step 2: Convert to fraction form
    926,801.10/1,390,201.65 = 570,660.30/x
  3. Step 3: Cross multiply
    926,801.10x = 1,390,201.65 × 570,660.30
  4. Step 4: Simplify right side
    926,801.10x = 793,332,890,649.50
  5. Step 5: Solve for x
    x = 793,332,890,649.50/926,801.10
  6. Step 6: Final answer
    x = 855,990.45

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Half scale
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Double scale
Find fourth proportional to 926,802.10, 1,390,203.15 and 570,661.30
Similar ratio
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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.