Home / 4,742,590.40-7,113,885.60-4,468,875.20

Finding the Fourth Proportional to 4,742,590.40, 7,113,885.60 and 4,468,875.20

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Solution

The fourth proportional to 4,742,590.40, 7,113,885.60 and 4,468,875.20 is: 6,703,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,590.40 : 7,113,885.60 = 4,468,875.20 : x
  2. Step 2: Convert to fraction form
    4,742,590.40/7,113,885.60 = 4,468,875.20/x
  3. Step 3: Cross multiply
    4,742,590.40x = 7,113,885.60 × 4,468,875.20
  4. Step 4: Simplify right side
    4,742,590.40x = 31,791,066,933,477.12
  5. Step 5: Solve for x
    x = 31,791,066,933,477.12/4,742,590.40
  6. Step 6: Final answer
    x = 6,703,312.80

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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.