Home / 1,018,569.60-1,527,854.40-353,721.60

Finding the Fourth Proportional to 1,018,569.60, 1,527,854.40 and 353,721.60

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Solution

The fourth proportional to 1,018,569.60, 1,527,854.40 and 353,721.60 is: 530,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,569.60 : 1,527,854.40 = 353,721.60 : x
  2. Step 2: Convert to fraction form
    1,018,569.60/1,527,854.40 = 353,721.60/x
  3. Step 3: Cross multiply
    1,018,569.60x = 1,527,854.40 × 353,721.60
  4. Step 4: Simplify right side
    1,018,569.60x = 540,435,102,935.04
  5. Step 5: Solve for x
    x = 540,435,102,935.04/1,018,569.60
  6. Step 6: Final answer
    x = 530,582.40

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Double scale
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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.