Home / 814,205.76-1,123,582.25-470,030.04

Finding the Fourth Proportional to 814,205.76, 1,123,582.25 and 470,030.04

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Solution

The fourth proportional to 814,205.76, 1,123,582.25 and 470,030.04 is: 648,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,205.76 : 1,123,582.25 = 470,030.04 : x
  2. Step 2: Convert to fraction form
    814,205.76/1,123,582.25 = 470,030.04/x
  3. Step 3: Cross multiply
    814,205.76x = 1,123,582.25 × 470,030.04
  4. Step 4: Simplify right side
    814,205.76x = 528,117,411,085.87
  5. Step 5: Solve for x
    x = 528,117,411,085.87/814,205.76
  6. Step 6: Final answer
    x = 648,628.93

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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.